113122032112 has 40 divisors (see below), whose sum is σ = 227098522800. Its totient is φ = 54522273792.

The previous prime is 113122032011. The next prime is 113122032131. The reversal of 113122032112 is 211230221311.

It is a self number, because there is not a number n which added to its sum of digits gives 113122032112.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 90288 + ... + 484144.

It is an arithmetic number, because the mean of its divisors is an integer number (5677463070).

Almost surely, 2^113122032112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113122032112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113549261400).

113122032112 is an abundant number, since it is smaller than the sum of its proper divisors (113976490688).

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

113122032112 is a wasteful number, since it uses less digits than its factorization.

113122032112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394513 (or 394507 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 113122032112 its reverse (211230221311), we get a palindrome (324352253423).

The spelling of 113122032112 in words is "one hundred thirteen billion, one hundred twenty-two million, thirty-two thousand, one hundred twelve".