122311145199619 has 2 divisors, whose sum is σ = 122311145199620. Its totient is φ = 122311145199618.

The previous prime is 122311145199587. The next prime is 122311145199751. The reversal of 122311145199619 is 916991541113221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122311145199619 - 2⁵ = 122311145199587 is a prime.

It is a super-2 number, since 2×122311145199619² (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 122311145199619.

It is not a weakly prime, because it can be changed into another prime (122311145119619) 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, 61155572599809 + 61155572599810.

It is an arithmetic number, because the mean of its divisors is an integer number (61155572599810).

Almost surely, 2^{122311145199619} is an apocalyptic number.

122311145199619 is a deficient number, since it is larger than the sum of its proper divisors (1).

122311145199619 is an equidigital number, since it uses as much as digits as its factorization.

122311145199619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 55.

The spelling of 122311145199619 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred forty-five million, one hundred ninety-nine thousand, six hundred nineteen".