112021321020 has 96 divisors (see below), whose sum is σ = 358529020416. Its totient is φ = 25600531200.

The previous prime is 112021320997. The next prime is 112021321079. The reversal of 112021321020 is 20123120211.

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 31 ways as a sum of consecutive naturals, for example, 2908690 + ... + 2946950.

It is an arithmetic number, because the mean of its divisors is an integer number (3734677296).

Almost surely, 2^112021321020 is an apocalyptic number.

112021321020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021321020 is an abundant number, since it is smaller than the sum of its proper divisors (246507699396).

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

112021321020 is a wasteful number, since it uses less digits than its factorization.

112021321020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45251 (or 45249 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 112021321020 its reverse (20123120211), we get a palindrome (132144441231).

The spelling of 112021321020 in words is "one hundred twelve billion, twenty-one million, three hundred twenty-one thousand, twenty".