113220031100 has 72 divisors (see below), whose sum is σ = 268095372048. Its totient is φ = 41159756800.

The previous prime is 113220031091. The next prime is 113220031153. The reversal of 113220031100 is 1130022311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4798532 + ... + 4822068.

It is an arithmetic number, because the mean of its divisors is an integer number (3723546834).

Almost surely, 2^113220031100 is an apocalyptic number.

113220031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113220031100 is an abundant number, since it is smaller than the sum of its proper divisors (154875340948).

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

113220031100 is a wasteful number, since it uses less digits than its factorization.

113220031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27935 (or 27928 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 113220031100 its reverse (1130022311), we get a palindrome (114350053411).

The spelling of 113220031100 in words is "one hundred thirteen billion, two hundred twenty million, thirty-one thousand, one hundred".