Adding to 11203 its reverse (30211), we get a palindrome (41414).
11203 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
It is a plaindrome in base 15.
It is a nialpdrome in base 7.
211203 is an apocalyptic number.
11203 is an equidigital number, since it uses as much as digits as its factorization.
11203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 676.
The square root of 11203 is about 105.8442251613. The cubic root of 11203 is about 22.3757763221.
The spelling of 11203 in words is "eleven thousand, two hundred three", and thus it is an iban number.