122311312321139 has 2 divisors, whose sum is σ = 122311312321140. Its totient is φ = 122311312321138.

The previous prime is 122311312321109. The next prime is 122311312321169. The reversal of 122311312321139 is 931123213113221.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (122311312321109) and next prime (122311312321169).

It is an emirp because it is prime and its reverse (931123213113221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122311312321139 - 2²⁸ = 122311043885683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122311312321099 and 122311312321108.

It is not a weakly prime, because it can be changed into another prime (122311312321109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155656160569 + 61155656160570.

It is an arithmetic number, because the mean of its divisors is an integer number (61155656160570).

Almost surely, 2^{122311312321139} is an apocalyptic number.

122311312321139 is a deficient number, since it is larger than the sum of its proper divisors (1).

122311312321139 is an equidigital number, since it uses as much as digits as its factorization.

122311312321139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The spelling of 122311312321139 in words is "one hundred twenty-two trillion, three hundred eleven billion, three hundred twelve million, three hundred twenty-one thousand, one hundred thirty-nine".