2021120200992 has 24 divisors (see below), whose sum is σ = 5305440527856. Its totient is φ = 673706733632.

The previous prime is 2021120200991. The next prime is 2021120200997. The reversal of 2021120200992 is 2990020211202.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (2021120200991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10526667618 + ... + 10526667809.

It is an arithmetic number, because the mean of its divisors is an integer number (221060021994).

Almost surely, 2^{2021120200992} is an apocalyptic number.

It is an amenable number.

2021120200992 is an abundant number, since it is smaller than the sum of its proper divisors (3284320326864).

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

2021120200992 is a wasteful number, since it uses less digits than its factorization.

2021120200992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21053335440 (or 21053335432 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 2021120200992 in words is "two trillion, twenty-one billion, one hundred twenty million, two hundred thousand, nine hundred ninety-two".