102111950959 has 2 divisors, whose sum is σ = 102111950960. Its totient is φ = 102111950958.

The previous prime is 102111950951. The next prime is 102111950987. The reversal of 102111950959 is 959059111201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (959059111201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102111950959 - 2³ = 102111950951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102111950951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055975479 + 51055975480.

It is an arithmetic number, because the mean of its divisors is an integer number (51055975480).

Almost surely, 2^102111950959 is an apocalyptic number.

102111950959 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111950959 is an equidigital number, since it uses as much as digits as its factorization.

102111950959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 43.

The spelling of 102111950959 in words is "one hundred two billion, one hundred eleven million, nine hundred fifty thousand, nine hundred fifty-nine".