113113001100 has 72 divisors (see below), whose sum is σ = 357025773888. Its totient is φ = 27421332800.

The previous prime is 113113001039. The next prime is 113113001117. The reversal of 113113001100 is 1100311311.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 17135034 + ... + 17141633.

It is an arithmetic number, because the mean of its divisors is an integer number (4958691304).

Almost surely, 2^113113001100 is an apocalyptic number.

113113001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113113001100 is an abundant number, since it is smaller than the sum of its proper divisors (243912772788).

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

113113001100 is a wasteful number, since it uses less digits than its factorization.

113113001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34276695 (or 34276688 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 113113001100 its reverse (1100311311), we get a palindrome (114213312411).

The spelling of 113113001100 in words is "one hundred thirteen billion, one hundred thirteen million, one thousand, one hundred".