102112099997 has 2 divisors, whose sum is σ = 102112099998. Its totient is φ = 102112099996.

The previous prime is 102112099993. The next prime is 102112100053. The reversal of 102112099997 is 799990211201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58338673156 + 43773426841 = 241534^2 + 209221^2 .

It is a cyclic number.

It is not a de Polignac number, because 102112099997 - 2² = 102112099993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102112099993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056049998 + 51056049999.

It is an arithmetic number, because the mean of its divisors is an integer number (51056049999).

Almost surely, 2^102112099997 is an apocalyptic number.

It is an amenable number.

102112099997 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112099997 is an equidigital number, since it uses as much as digits as its factorization.

102112099997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 50.

The spelling of 102112099997 in words is "one hundred two billion, one hundred twelve million, ninety-nine thousand, nine hundred ninety-seven".