112021012120 has 16 divisors (see below), whose sum is σ = 252047277360. Its totient is φ = 44808404832.

The previous prime is 112021012093. The next prime is 112021012127. The reversal of 112021012120 is 21210120211.

It is a self number, because there is not a number n which added to its sum of digits gives 112021012120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021012127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400262612 + ... + 1400262691.

It is an arithmetic number, because the mean of its divisors is an integer number (15752954835).

Almost surely, 2^112021012120 is an apocalyptic number.

112021012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021012120 is an abundant number, since it is smaller than the sum of its proper divisors (140026265240).

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

112021012120 is a wasteful number, since it uses less digits than its factorization.

112021012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800525314 (or 2800525310 counting only the distinct ones).

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

Adding to 112021012120 its reverse (21210120211), we get a palindrome (133231132331).

The spelling of 112021012120 in words is "one hundred twelve billion, twenty-one million, twelve thousand, one hundred twenty".