113562111220 has 24 divisors (see below), whose sum is σ = 238643949600. Its totient is φ = 45393698592.

The previous prime is 113562111217. The next prime is 113562111293. The reversal of 113562111220 is 22111265311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1916710 + ... + 1975069.

It is an arithmetic number, because the mean of its divisors is an integer number (9943497900).

Almost surely, 2^113562111220 is an apocalyptic number.

113562111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113562111220 is an abundant number, since it is smaller than the sum of its proper divisors (125081838380).

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

113562111220 is a wasteful number, since it uses less digits than its factorization.

113562111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893247 (or 3893245 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 113562111220 its reverse (22111265311), we get a palindrome (135673376531).

The spelling of 113562111220 in words is "one hundred thirteen billion, five hundred sixty-two million, one hundred eleven thousand, two hundred twenty".