121022320321061 has 2 divisors, whose sum is σ = 121022320321062. Its totient is φ = 121022320321060.

The previous prime is 121022320321043. The next prime is 121022320321069. The reversal of 121022320321061 is 160123023220121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80522015240836 + 40500305080225 = 8973406^2 + 6363985^2 .

It is a cyclic number.

It is not a de Polignac number, because 121022320321061 - 2³⁰ = 121021246579237 is a prime.

It is a super-2 number, since 2×121022320321061² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121022320321061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121022320321069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511160160530 + 60511160160531.

It is an arithmetic number, because the mean of its divisors is an integer number (60511160160531).

Almost surely, 2^{121022320321061} is an apocalyptic number.

It is an amenable number.

121022320321061 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022320321061 is an equidigital number, since it uses as much as digits as its factorization.

121022320321061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 121022320321061 its reverse (160123023220121), we get a palindrome (281145343541182).

The spelling of 121022320321061 in words is "one hundred twenty-one trillion, twenty-two billion, three hundred twenty million, three hundred twenty-one thousand, sixty-one".