2022012020021 has 24 divisors (see below), whose sum is σ = 2362549680000. Its totient is φ = 1725483770304.

The previous prime is 2022012019999. The next prime is 2022012020023. The reversal of 2022012020021 is 1200202102202.

It is not a de Polignac number, because 2022012020021 - 2³⁸ = 1747134113077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022012019978 and 2022012020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022012020023) 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, 54425870 + ... + 54463008.

It is an arithmetic number, because the mean of its divisors is an integer number (98439570000).

Almost surely, 2^{2022012020021} is an apocalyptic number.

It is an amenable number.

2022012020021 is a deficient number, since it is larger than the sum of its proper divisors (340537659979).

2022012020021 is a wasteful number, since it uses less digits than its factorization.

2022012020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42041 (or 42034 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2022012020021 its reverse (1200202102202), we get a palindrome (3222214122223).

It can be divided in two parts, 202201 and 2020021, that added together give a palindrome (2222222).

The spelling of 2022012020021 in words is "two trillion, twenty-two billion, twelve million, twenty thousand, twenty-one".