2021022001120 has 24 divisors (see below), whose sum is σ = 4774664478024. Its totient is φ = 808408800384.

The previous prime is 2021022001073. The next prime is 2021022001199. The reversal of 2021022001120 is 211002201202.

It is a happy number.

It is a super-2 number, since 2×2021022001120² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2021022001120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6315693594 + ... + 6315693913.

It is an arithmetic number, because the mean of its divisors is an integer number (198944353251).

Almost surely, 2^{2021022001120} is an apocalyptic number.

2021022001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021022001120 is an abundant number, since it is smaller than the sum of its proper divisors (2753642476904).

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

2021022001120 is a wasteful number, since it uses less digits than its factorization.

2021022001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12631387522 (or 12631387514 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2021022001120 its reverse (211002201202), we get a palindrome (2232024202322).

The spelling of 2021022001120 in words is "two trillion, twenty-one billion, twenty-two million, one thousand, one hundred twenty".