113101021220 has 24 divisors (see below), whose sum is σ = 259104158208. Its totient is φ = 41127644000.

The previous prime is 113101021211. The next prime is 113101021277. The reversal of 113101021220 is 22120101311.

It is a junction number, because it is equal to n+sod(n) for n = 113101021195 and 113101021204.

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, 257047556 + ... + 257047995.

It is an arithmetic number, because the mean of its divisors is an integer number (10796006592).

Almost surely, 2^113101021220 is an apocalyptic number.

113101021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113101021220 is an abundant number, since it is smaller than the sum of its proper divisors (146003136988).

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

113101021220 is a wasteful number, since it uses less digits than its factorization.

113101021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514095571 (or 514095569 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 113101021220 its reverse (22120101311), we get a palindrome (135221122531).

The spelling of 113101021220 in words is "one hundred thirteen billion, one hundred one million, twenty-one thousand, two hundred twenty".