102110100997 has 2 divisors, whose sum is σ = 102110100998. Its totient is φ = 102110100996.

The previous prime is 102110100923. The next prime is 102110101001. The reversal of 102110100997 is 799001011201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69003934596 + 33106166401 = 262686^2 + 181951^2 .

It is a cyclic number.

It is not a de Polignac number, because 102110100997 - 2²³ = 102101712389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102110100097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055050498 + 51055050499.

It is an arithmetic number, because the mean of its divisors is an integer number (51055050499).

Almost surely, 2^102110100997 is an apocalyptic number.

It is an amenable number.

102110100997 is a deficient number, since it is larger than the sum of its proper divisors (1).

102110100997 is an equidigital number, since it uses as much as digits as its factorization.

102110100997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 31.

The spelling of 102110100997 in words is "one hundred two billion, one hundred ten million, one hundred thousand, nine hundred ninety-seven".