2022120212021 has 24 divisors (see below), whose sum is σ = 2567907045144. Its totient is φ = 1578002549760.

The previous prime is 2022120211981. The next prime is 2022120212023. The reversal of 2022120212021 is 1202120212202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2421624100 + 2019698587921 = 49210^2 + 1421161^2 .

It is not a de Polignac number, because 2022120212021 - 2²² = 2022116017717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022120212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21696260 + ... + 21789261.

It is an arithmetic number, because the mean of its divisors is an integer number (106996126881).

Almost surely, 2^{2022120212021} is an apocalyptic number.

It is an amenable number.

2022120212021 is a deficient number, since it is larger than the sum of its proper divisors (545786833123).

2022120212021 is a wasteful number, since it uses less digits than its factorization.

2022120212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43485621 (or 43485614 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2022120212021 its reverse (1202120212202), we get a palindrome (3224240424223).

The spelling of 2022120212021 in words is "two trillion, twenty-two billion, one hundred twenty million, two hundred twelve thousand, twenty-one".