113120211100 has 36 divisors (see below), whose sum is σ = 264353234824. Its totient is φ = 41767462080.

The previous prime is 113120211091. The next prime is 113120211133. The reversal of 113120211100 is 1112021311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43506474 + ... + 43509073.

Almost surely, 2^113120211100 is an apocalyptic number.

113120211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113120211100 is an abundant number, since it is smaller than the sum of its proper divisors (151233023724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113120211100 is a wasteful number, since it uses less digits than its factorization.

113120211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87015574 (or 87015567 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 113120211100 its reverse (1112021311), we get a palindrome (114232232411).

The spelling of 113120211100 in words is "one hundred thirteen billion, one hundred twenty million, two hundred eleven thousand, one hundred".