2021112112200 has 96 divisors (see below), whose sum is σ = 6314782018560. Its totient is φ = 534719404800.

The previous prime is 2021112112163. The next prime is 2021112112237. The reversal of 2021112112200 is 22112111202.

It is an interprime number because it is at equal distance from previous prime (2021112112163) and next prime (2021112112237).

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

It is a self number, because there is not a number n which added to its sum of digits gives 2021112112200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13185691 + ... + 13338090.

It is an arithmetic number, because the mean of its divisors is an integer number (65778979360).

Almost surely, 2^{2021112112200} is an apocalyptic number.

2021112112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021112112200 is an abundant number, since it is smaller than the sum of its proper divisors (4293669906360).

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

2021112112200 is a wasteful number, since it uses less digits than its factorization.

2021112112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26523927 (or 26523918 counting only the distinct ones).

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

Adding to 2021112112200 its reverse (22112111202), we get a palindrome (2043224223402).

It can be divided in two parts, 2021112 and 112200, that added together give a palindrome (2133312).

The spelling of 2021112112200 in words is "two trillion, twenty-one billion, one hundred twelve million, one hundred twelve thousand, two hundred".