113102110020 has 48 divisors (see below), whose sum is σ = 316987977600. Its totient is φ = 30131794176.

The previous prime is 113102110013. The next prime is 113102110021. The reversal of 113102110020 is 20011201311.

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

It is a junction number, because it is equal to n+sod(n) for n = 113102109978 and 113102110005.

It is not an unprimeable number, because it can be changed into a prime (113102110021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835552 + ... + 961431.

It is an arithmetic number, because the mean of its divisors is an integer number (6603916200).

Almost surely, 2^113102110020 is an apocalyptic number.

113102110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113102110020 is an abundant number, since it is smaller than the sum of its proper divisors (203885867580).

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

113102110020 is a wasteful number, since it uses less digits than its factorization.

113102110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798044 (or 1798042 counting only the distinct ones).

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

Adding to 113102110020 its reverse (20011201311), we get a palindrome (133113311331).

The spelling of 113102110020 in words is "one hundred thirteen billion, one hundred two million, one hundred ten thousand, twenty".