113312021132100 has 288 divisors, whose sum is σ = 398023763737600. Its totient is φ = 24311629785600.

The previous prime is 113312021132083. The next prime is 113312021132111. The reversal of 113312021132100 is 1231120213311.

It is a super-2 number, since 2×113312021132100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8677966 + ... + 17376165.

Almost surely, 2^{113312021132100} is an apocalyptic number.

113312021132100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113312021132100 is an abundant number, since it is smaller than the sum of its proper divisors (284711742605500).

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

113312021132100 is a wasteful number, since it uses less digits than its factorization.

113312021132100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26054283 (or 26054276 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 113312021132100 its reverse (1231120213311), we get a palindrome (114543141345411).

The spelling of 113312021132100 in words is "one hundred thirteen trillion, three hundred twelve billion, twenty-one million, one hundred thirty-two thousand, one hundred".