113000021120 has 96 divisors (see below), whose sum is σ = 314245362780. Its totient is φ = 38742853632.

The previous prime is 113000021119. The next prime is 113000021159. The reversal of 113000021120 is 21120000311.

It can be written as a sum of positive squares in 2 ways, for example, as 102139046464 + 10860974656 = 319592^2 + 104216^2 .

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, 1770299 + ... + 1833018.

Almost surely, 2^113000021120 is an apocalyptic number.

113000021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113000021120 is an abundant number, since it is smaller than the sum of its proper divisors (201245341660).

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

113000021120 is an equidigital number, since it uses as much as digits as its factorization.

113000021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603350 (or 3603331 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 113000021120 its reverse (21120000311), we get a palindrome (134120021431).

The spelling of 113000021120 in words is "one hundred thirteen billion, twenty-one thousand, one hundred twenty".