11201211203 has 12 divisors (see below), whose sum is σ = 14032287360. Its totient is φ = 8862496272.

The previous prime is 11201211017. The next prime is 11201211211. The reversal of 11201211203 is 30211210211.

It is not a de Polignac number, because 11201211203 - 2²⁰ = 11200162627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11201211283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8791523 + ... + 8792796.

It is an arithmetic number, because the mean of its divisors is an integer number (1169357280).

Almost surely, 2^11201211203 is an apocalyptic number.

11201211203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11201211203 is a deficient number, since it is larger than the sum of its proper divisors (2831076157).

11201211203 is a wasteful number, since it uses less digits than its factorization.

11201211203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17584346 (or 17584339 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11201211203 its reverse (30211210211), we get a palindrome (41412421414).

The spelling of 11201211203 in words is "eleven billion, two hundred one million, two hundred eleven thousand, two hundred three".