122591085119 has 2 divisors, whose sum is σ = 122591085120. Its totient is φ = 122591085118.

The previous prime is 122591084989. The next prime is 122591085121. The reversal of 122591085119 is 911580195221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122591085119 - 2¹⁶ = 122591019583 is a prime.

It is a super-2 number, since 2×122591085119² (a number of 23 digits) contains 22 as substring.

Together with 122591085121, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122591085119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122591085139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61295542559 + 61295542560.

It is an arithmetic number, because the mean of its divisors is an integer number (61295542560).

Almost surely, 2^122591085119 is an apocalyptic number.

122591085119 is a deficient number, since it is larger than the sum of its proper divisors (1).

122591085119 is an equidigital number, since it uses as much as digits as its factorization.

122591085119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 44.

The spelling of 122591085119 in words is "one hundred twenty-two billion, five hundred ninety-one million, eighty-five thousand, one hundred nineteen".