122402052244321 has 2 divisors, whose sum is σ = 122402052244322. Its totient is φ = 122402052244320.

The previous prime is 122402052244313. The next prime is 122402052244363. The reversal of 122402052244321 is 123442250204221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93152224371600 + 29249827872721 = 9651540^2 + 5408311^2 .

It is a cyclic number.

It is not a de Polignac number, because 122402052244321 - 2³ = 122402052244313 is a prime.

It is not a weakly prime, because it can be changed into another prime (122402052244721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61201026122160 + 61201026122161.

It is an arithmetic number, because the mean of its divisors is an integer number (61201026122161).

Almost surely, 2^{122402052244321} is an apocalyptic number.

It is an amenable number.

122402052244321 is a deficient number, since it is larger than the sum of its proper divisors (1).

122402052244321 is an equidigital number, since it uses as much as digits as its factorization.

122402052244321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 34.

The spelling of 122402052244321 in words is "one hundred twenty-two trillion, four hundred two billion, fifty-two million, two hundred forty-four thousand, three hundred twenty-one".