113111333220 has 96 divisors (see below), whose sum is σ = 326211113088. Its totient is φ = 29263030272.

The previous prime is 113111333147. The next prime is 113111333249. The reversal of 113111333220 is 22333111311.

It is a happy number.

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, 696924 + ... + 843756.

It is an arithmetic number, because the mean of its divisors is an integer number (3398032428).

Almost surely, 2^113111333220 is an apocalyptic number.

113111333220 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 113111333220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163105556544).

113111333220 is an abundant number, since it is smaller than the sum of its proper divisors (213099779868).

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

113111333220 is a wasteful number, since it uses less digits than its factorization.

113111333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147229 (or 147227 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 113111333220 its reverse (22333111311), we get a palindrome (135444444531).

The spelling of 113111333220 in words is "one hundred thirteen billion, one hundred eleven million, three hundred thirty-three thousand, two hundred twenty".