113021303220 has 72 divisors (see below), whose sum is σ = 391807188864. Its totient is φ = 25833440448.

The previous prime is 113021303173. The next prime is 113021303249. The reversal of 113021303220 is 22303120311.

113021303220 is a `hidden beast` number, since 1 + 130 + 213 + 0 + 322 + 0 = 666.

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 = 113021303193 and 113021303202.

It is a congruent number.

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, 44848464 + ... + 44850983.

It is an arithmetic number, because the mean of its divisors is an integer number (5441766512).

Almost surely, 2^113021303220 is an apocalyptic number.

113021303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113021303220 is an abundant number, since it is smaller than the sum of its proper divisors (278785885644).

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

113021303220 is a wasteful number, since it uses less digits than its factorization.

113021303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89699469 (or 89699464 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 113021303220 its reverse (22303120311), we get a palindrome (135324423531).

The spelling of 113021303220 in words is "one hundred thirteen billion, twenty-one million, three hundred three thousand, two hundred twenty".