122012110112021 has 2 divisors, whose sum is σ = 122012110112022. Its totient is φ = 122012110112020.

The previous prime is 122012110111999. The next prime is 122012110112027. The reversal of 122012110112021 is 120211011210221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67527487035121 + 54484623076900 = 8217511^2 + 7381370^2 .

It is a cyclic number.

It is not a de Polignac number, because 122012110112021 - 2³⁴ = 121994930242837 is a prime.

It is a super-2 number, since 2×122012110112021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122012110112027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006055056010 + 61006055056011.

It is an arithmetic number, because the mean of its divisors is an integer number (61006055056011).

Almost surely, 2^{122012110112021} is an apocalyptic number.

It is an amenable number.

122012110112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012110112021 is an equidigital number, since it uses as much as digits as its factorization.

122012110112021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122012110112021 its reverse (120211011210221), we get a palindrome (242223121322242).

The spelling of 122012110112021 in words is "one hundred twenty-two trillion, twelve billion, one hundred ten million, one hundred twelve thousand, twenty-one".