122102010119981 has 2 divisors, whose sum is σ = 122102010119982. Its totient is φ = 122102010119980.

The previous prime is 122102010119819. The next prime is 122102010120007. The reversal of 122102010119981 is 189911010201221.

Together with previous prime (122102010119819) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66066155915881 + 56035854204100 = 8128109^2 + 7485710^2 .

It is a cyclic number.

It is not a de Polignac number, because 122102010119981 - 2¹⁸ = 122102009857837 is a prime.

It is a super-2 number, since 2×122102010119981² (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 (122102010119681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051005059990 + 61051005059991.

It is an arithmetic number, because the mean of its divisors is an integer number (61051005059991).

Almost surely, 2^{122102010119981} is an apocalyptic number.

It is an amenable number.

122102010119981 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102010119981 is an equidigital number, since it uses as much as digits as its factorization.

122102010119981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 38.

The spelling of 122102010119981 in words is "one hundred twenty-two trillion, one hundred two billion, ten million, one hundred nineteen thousand, nine hundred eighty-one".