113120221032 has 128 divisors (see below), whose sum is σ = 386735865600. Its totient is φ = 29833899264.

The previous prime is 113120221009. The next prime is 113120221051. The reversal of 113120221032 is 230122021311.

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 = 113120220996 and 113120221014.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2857843 + ... + 2897154.

It is an arithmetic number, because the mean of its divisors is an integer number (3021373950).

Almost surely, 2^113120221032 is an apocalyptic number.

113120221032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113120221032 is an abundant number, since it is smaller than the sum of its proper divisors (273615644568).

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

113120221032 is a wasteful number, since it uses less digits than its factorization.

113120221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755032 (or 5755022 counting only the distinct ones).

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

Adding to 113120221032 its reverse (230122021311), we get a palindrome (343242242343).

The spelling of 113120221032 in words is "one hundred thirteen billion, one hundred twenty million, two hundred twenty-one thousand, thirty-two".