11203210213 has 16 divisors (see below), whose sum is σ = 12197031616. Its totient is φ = 10228861440.

The previous prime is 11203210129. The next prime is 11203210229. The reversal of 11203210213 is 31201230211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11203210213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203210243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434581 + ... + 459637.

It is an arithmetic number, because the mean of its divisors is an integer number (762314476).

Almost surely, 2^11203210213 is an apocalyptic number.

11203210213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11203210213 is a deficient number, since it is larger than the sum of its proper divisors (993821403).

11203210213 is a wasteful number, since it uses less digits than its factorization.

11203210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25444.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11203210213 its reverse (31201230211), we get a palindrome (42404440424).

The spelling of 11203210213 in words is "eleven billion, two hundred three million, two hundred ten thousand, two hundred thirteen".