102109997113 has 2 divisors, whose sum is σ = 102109997114. Its totient is φ = 102109997112.

The previous prime is 102109997057. The next prime is 102109997147. The reversal of 102109997113 is 311799901201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97177463289 + 4932533824 = 311733^2 + 70232^2 .

It is a cyclic number.

It is not a de Polignac number, because 102109997113 - 2²⁵ = 102076442681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102109997113.

It is not a weakly prime, because it can be changed into another prime (102109997183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51054998556 + 51054998557.

It is an arithmetic number, because the mean of its divisors is an integer number (51054998557).

Almost surely, 2^102109997113 is an apocalyptic number.

It is an amenable number.

102109997113 is a deficient number, since it is larger than the sum of its proper divisors (1).

102109997113 is an equidigital number, since it uses as much as digits as its factorization.

102109997113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 43.

The spelling of 102109997113 in words is "one hundred two billion, one hundred nine million, nine hundred ninety-seven thousand, one hundred thirteen".