2022122121161 has 2 divisors, whose sum is σ = 2022122121162. Its totient is φ = 2022122121160.

The previous prime is 2022122121079. The next prime is 2022122121191. The reversal of 2022122121161 is 1611212212202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1399356507136 + 622765614025 = 1182944^2 + 789155^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022122121161 - 2³⁸ = 1747244214217 is a prime.

It is not a weakly prime, because it can be changed into another prime (2022122121191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011061060580 + 1011061060581.

It is an arithmetic number, because the mean of its divisors is an integer number (1011061060581).

Almost surely, 2^{2022122121161} is an apocalyptic number.

It is an amenable number.

2022122121161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022122121161 is an equidigital number, since it uses as much as digits as its factorization.

2022122121161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 2022122121161 its reverse (1611212212202), we get a palindrome (3633334333363).

The spelling of 2022122121161 in words is "two trillion, twenty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred sixty-one".