113252421420 has 72 divisors (see below), whose sum is σ = 350014116816. Its totient is φ = 29630819712.

The previous prime is 113252421407. The next prime is 113252421437. The reversal of 113252421420 is 24124252311.

113252421420 is a `hidden beast` number, since 1 + 132 + 524 + 2 + 1 + 4 + 2 + 0 = 666.

It is a super-2 number, since 2×113252421420² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5926122 + ... + 5945201.

It is an arithmetic number, because the mean of its divisors is an integer number (4861307178).

Almost surely, 2^113252421420 is an apocalyptic number.

113252421420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113252421420 is an abundant number, since it is smaller than the sum of its proper divisors (236761695396).

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

113252421420 is a wasteful number, since it uses less digits than its factorization.

113252421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11871391 (or 11871386 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 113252421420 its reverse (24124252311), we get a palindrome (137376673731).

The spelling of 113252421420 in words is "one hundred thirteen billion, two hundred fifty-two million, four hundred twenty-one thousand, four hundred twenty".