111422119979 has 2 divisors, whose sum is σ = 111422119980. Its totient is φ = 111422119978.

The previous prime is 111422119973. The next prime is 111422120027. The reversal of 111422119979 is 979911224111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111422119979 - 2⁸ = 111422119723 is a prime.

It is a super-2 number, since 2×111422119979² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111422119973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55711059989 + 55711059990.

It is an arithmetic number, because the mean of its divisors is an integer number (55711059990).

Almost surely, 2^111422119979 is an apocalyptic number.

111422119979 is a deficient number, since it is larger than the sum of its proper divisors (1).

111422119979 is an equidigital number, since it uses as much as digits as its factorization.

111422119979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 47.

The spelling of 111422119979 in words is "one hundred eleven billion, four hundred twenty-two million, one hundred nineteen thousand, nine hundred seventy-nine".