112021121020 has 24 divisors (see below), whose sum is σ = 239100821568. Its totient is φ = 44073883200.

The previous prime is 112021120973. The next prime is 112021121041. The reversal of 112021121020 is 20121120211.

It is a congruent number.

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, 45909076 + ... + 45911515.

It is an arithmetic number, because the mean of its divisors is an integer number (9962534232).

Almost surely, 2^112021121020 is an apocalyptic number.

112021121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021121020 is an abundant number, since it is smaller than the sum of its proper divisors (127079700548).

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

112021121020 is a wasteful number, since it uses less digits than its factorization.

112021121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91820661 (or 91820659 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112021121020 its reverse (20121120211), we get a palindrome (132142241231).

The spelling of 112021121020 in words is "one hundred twelve billion, twenty-one million, one hundred twenty-one thousand, twenty".