113303442120 has 128 divisors (see below), whose sum is σ = 392623770240. Its totient is φ = 25851760640.

The previous prime is 113303442113. The next prime is 113303442139. The reversal of 113303442120 is 21244303311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 2502147 + ... + 2547026.

It is an arithmetic number, because the mean of its divisors is an integer number (3067373205).

Almost surely, 2^113303442120 is an apocalyptic number.

113303442120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113303442120 is an abundant number, since it is smaller than the sum of its proper divisors (279320328120).

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

113303442120 is a wasteful number, since it uses less digits than its factorization.

113303442120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049215 (or 5049211 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 113303442120 its reverse (21244303311), we get a palindrome (134547745431).

The spelling of 113303442120 in words is "one hundred thirteen billion, three hundred three million, four hundred forty-two thousand, one hundred twenty".