201112203113 has 24 divisors (see below), whose sum is σ = 222884234496. Its totient is φ = 181130796000.

The previous prime is 201112203109. The next prime is 201112203133. The reversal of 201112203113 is 311302211102.

It is not a de Polignac number, because 201112203113 - 2² = 201112203109 is a prime.

It is a super-2 number, since 2×201112203113² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201112203091 and 201112203100.

It is not an unprimeable number, because it can be changed into a prime (201112203133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 441038 + ... + 772488.

It is an arithmetic number, because the mean of its divisors is an integer number (9286843104).

Almost surely, 2^201112203113 is an apocalyptic number.

201112203113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

201112203113 is a deficient number, since it is larger than the sum of its proper divisors (21772031383).

201112203113 is a wasteful number, since it uses less digits than its factorization.

201112203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331565 (or 331542 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 201112203113 its reverse (311302211102), we get a palindrome (512414414215).

The spelling of 201112203113 in words is "two hundred one billion, one hundred twelve million, two hundred three thousand, one hundred thirteen".