112021121200020 has 48 divisors (see below), whose sum is σ = 313659638470080. Its totient is φ = 29872251452416.

The previous prime is 112021121200019. The next prime is 112021121200031. The reversal of 112021121200020 is 20002121120211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53131111 + ... + 55199249.

It is an arithmetic number, because the mean of its divisors is an integer number (6534575801460).

Almost surely, 2^{112021121200020} is an apocalyptic number.

112021121200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021121200020 is an abundant number, since it is smaller than the sum of its proper divisors (201638517270060).

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

112021121200020 is a wasteful number, since it uses less digits than its factorization.

112021121200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970904 (or 2970902 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112021121200020 its reverse (20002121120211), we get a palindrome (132023242320231).

The spelling of 112021121200020 in words is "one hundred twelve trillion, twenty-one billion, one hundred twenty-one million, two hundred thousand, twenty".