113221101123020 has 24 divisors (see below), whose sum is σ = 259379249845968. Its totient is φ = 41171309499200.

The previous prime is 113221101123019. The next prime is 113221101123049. The reversal of 113221101123020 is 20321101122311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113221101122983 and 113221101123001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257320684151 + ... + 257320684590.

It is an arithmetic number, because the mean of its divisors is an integer number (10807468743582).

Almost surely, 2^{113221101123020} is an apocalyptic number.

113221101123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113221101123020 is an abundant number, since it is smaller than the sum of its proper divisors (146158148722948).

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

113221101123020 is a wasteful number, since it uses less digits than its factorization.

113221101123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514641368761 (or 514641368759 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 113221101123020 its reverse (20321101122311), we get a palindrome (133542202245331).

The spelling of 113221101123020 in words is "one hundred thirteen trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty-three thousand, twenty".