113012113122 has 48 divisors (see below), whose sum is σ = 253371867840. Its totient is φ = 36361827936.

The previous prime is 113012113079. The next prime is 113012113127. The reversal of 113012113122 is 221311210311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113012113095 and 113012113104.

It is not an unprimeable number, because it can be changed into a prime (113012113127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2030793 + ... + 2085699.

It is an arithmetic number, because the mean of its divisors is an integer number (5278580580).

Almost surely, 2^113012113122 is an apocalyptic number.

113012113122 is an abundant number, since it is smaller than the sum of its proper divisors (140359754718).

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

113012113122 is a wasteful number, since it uses less digits than its factorization.

113012113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58887 (or 58884 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 113012113122 its reverse (221311210311), we get a palindrome (334323323433).

The spelling of 113012113122 in words is "one hundred thirteen billion, twelve million, one hundred thirteen thousand, one hundred twenty-two".