102112111579 has 2 divisors, whose sum is σ = 102112111580. Its totient is φ = 102112111578.

The previous prime is 102112111561. The next prime is 102112111601. The reversal of 102112111579 is 975111211201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102112111579 - 2⁵ = 102112111547 is a prime.

It is a super-2 number, since 2×102112111579² (a number of 23 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 102112111579.

It is not a weakly prime, because it can be changed into another prime (102113111579) 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, 51056055789 + 51056055790.

It is an arithmetic number, because the mean of its divisors is an integer number (51056055790).

Almost surely, 2^102112111579 is an apocalyptic number.

102112111579 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112111579 is an equidigital number, since it uses as much as digits as its factorization.

102112111579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 31.

The spelling of 102112111579 in words is "one hundred two billion, one hundred twelve million, one hundred eleven thousand, five hundred seventy-nine".