113213231120 has 160 divisors (see below), whose sum is σ = 300998484864. Its totient is φ = 39229747200.

The previous prime is 113213231119. The next prime is 113213231123. The reversal of 113213231120 is 21132312311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113213231092 and 113213231101.

It is not an unprimeable number, because it can be changed into a prime (113213231123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1514954 + ... + 1587926.

Almost surely, 2^113213231120 is an apocalyptic number.

113213231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113213231120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150499242432).

113213231120 is an abundant number, since it is smaller than the sum of its proper divisors (187785253744).

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

113213231120 is a wasteful number, since it uses less digits than its factorization.

113213231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73081 (or 73075 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113213231120 its reverse (21132312311), we get a palindrome (134345543431).

The spelling of 113213231120 in words is "one hundred thirteen billion, two hundred thirteen million, two hundred thirty-one thousand, one hundred twenty".