diff --git a/src/my_project/interviews/top_150_questions_round_11/palindrome_number.py b/src/my_project/interviews/top_150_questions_round_11/palindrome_number.py
new file mode 100644
index 00000000..80952ebd
--- /dev/null
+++ b/src/my_project/interviews/top_150_questions_round_11/palindrome_number.py
@@ -0,0 +1,9 @@
+from typing import List, Union, Collection, Mapping, Optional
+from abc import ABC, abstractmethod
+
+class Solution:
+    def isPalindrome(self, x: int) -> bool:
+
+        str_x = str(x)
+
+        return str_x == str_x[::-1]
\ No newline at end of file
diff --git a/tests/test_150_questions_round_11/test_palindrome_number_round_11.py b/tests/test_150_questions_round_11/test_palindrome_number_round_11.py
new file mode 100644
index 00000000..5b947247
--- /dev/null
+++ b/tests/test_150_questions_round_11/test_palindrome_number_round_11.py
@@ -0,0 +1,15 @@
+import unittest
+from src.my_project.interviews.top_150_questions_round_11\
+.palindrome_number import Solution
+
+class PalindromeNumberTestCase(unittest.TestCase):
+
+    def test_is_palindrome_number(self):
+        solution = Solution()
+        output = solution.isPalindrome(x=121)
+        self.assertTrue(output)
+
+    def test_is_no_palindrome_number(self):
+        solution = Solution()
+        output = solution.isPalindrome(x=123)
+        self.assertFalse(output)
\ No newline at end of file