113200020100 has 36 divisors (see below), whose sum is σ = 251635370868. Its totient is φ = 44175616000.

The previous prime is 113200020097. The next prime is 113200020127. The reversal of 113200020100 is 1020002311.

It can be written as a sum of positive squares in 6 ways, for example, as 2119129156 + 111080890944 = 46034^2 + 333288^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13800781 + ... + 13808980.

It is an arithmetic number, because the mean of its divisors is an integer number (6989871413).

Almost surely, 2^113200020100 is an apocalyptic number.

113200020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113200020100 is an abundant number, since it is smaller than the sum of its proper divisors (138435350768).

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

113200020100 is a wasteful number, since it uses less digits than its factorization.

113200020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27609816 (or 27609809 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 113200020100 its reverse (1020002311), we get a palindrome (114220022411).

The spelling of 113200020100 in words is "one hundred thirteen billion, two hundred million, twenty thousand, one hundred".