113130021042 has 24 divisors (see below), whose sum is σ = 245122385040. Its totient is φ = 37708877880.

The previous prime is 113130021029. The next prime is 113130021079. The reversal of 113130021042 is 240120031311.

113130021042 is a `hidden beast` number, since 113 + 1 + 300 + 210 + 42 = 666.

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

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, 709009 + ... + 853787.

It is an arithmetic number, because the mean of its divisors is an integer number (10213432710).

Almost surely, 2^113130021042 is an apocalyptic number.

113130021042 is an abundant number, since it is smaller than the sum of its proper divisors (131992363998).

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

113130021042 is a wasteful number, since it uses less digits than its factorization.

113130021042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188198 (or 188195 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 113130021042 its reverse (240120031311), we get a palindrome (353250052353).

The spelling of 113130021042 in words is "one hundred thirteen billion, one hundred thirty million, twenty-one thousand, forty-two".