2022112121021 has 2 divisors, whose sum is σ = 2022112121022. Its totient is φ = 2022112121020.

The previous prime is 2022112120981. The next prime is 2022112121033. The reversal of 2022112121021 is 1201212112202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1269365008921 + 752747112100 = 1126661^2 + 867610^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022112121021 - 2³⁴ = 2004932251837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022112121321) 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 as a sum of consecutive naturals, namely, 1011056060510 + 1011056060511.

It is an arithmetic number, because the mean of its divisors is an integer number (1011056060511).

Almost surely, 2^{2022112121021} is an apocalyptic number.

It is an amenable number.

2022112121021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022112121021 is an equidigital number, since it uses as much as digits as its factorization.

2022112121021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2022112121021 its reverse (1201212112202), we get a palindrome (3223324233223).

It can be divided in two parts, 202211 and 2121021, that added together give a palindrome (2323232).

The spelling of 2022112121021 in words is "two trillion, twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, twenty-one".