122099122909 has 2 divisors, whose sum is σ = 122099122910. Its totient is φ = 122099122908.

The previous prime is 122099122903. The next prime is 122099122931. The reversal of 122099122909 is 909221990221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66992968900 + 55106154009 = 258830^2 + 234747^2 .

It is a cyclic number.

It is not a de Polignac number, because 122099122909 - 2¹⁹ = 122098598621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122099122903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61049561454 + 61049561455.

It is an arithmetic number, because the mean of its divisors is an integer number (61049561455).

Almost surely, 2^122099122909 is an apocalyptic number.

It is an amenable number.

122099122909 is a deficient number, since it is larger than the sum of its proper divisors (1).

122099122909 is an equidigital number, since it uses as much as digits as its factorization.

122099122909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 46.

The spelling of 122099122909 in words is "one hundred twenty-two billion, ninety-nine million, one hundred twenty-two thousand, nine hundred nine".