20212022031021 has 24 divisors (see below), whose sum is σ = 31134896432640. Its totient is φ = 12590815234176.

The previous prime is 20212022030929. The next prime is 20212022031053. The reversal of 20212022031021 is 12013022021202.

It is not a de Polignac number, because 20212022031021 - 2⁹ = 20212022030509 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20212022030985 and 20212022031003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212022041021) 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, 475175565 + ... + 475218098.

It is an arithmetic number, because the mean of its divisors is an integer number (1297287351360).

Almost surely, 2^{20212022031021} is an apocalyptic number.

It is an amenable number.

20212022031021 is a deficient number, since it is larger than the sum of its proper divisors (10922874401619).

20212022031021 is a wasteful number, since it uses less digits than its factorization.

20212022031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950393825 (or 950393822 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20212022031021 its reverse (12013022021202), we get a palindrome (32225044052223).

The spelling of 20212022031021 in words is "twenty trillion, two hundred twelve billion, twenty-two million, thirty-one thousand, twenty-one".