102100109999971 has 2 divisors, whose sum is σ = 102100109999972. Its totient is φ = 102100109999970.

The previous prime is 102100109999893. The next prime is 102100110000001. The reversal of 102100109999971 is 179999901001201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102100109999971 - 2⁷ = 102100109999843 is a prime.

It is not a weakly prime, because it can be changed into another prime (102100109999471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050054999985 + 51050054999986.

It is an arithmetic number, because the mean of its divisors is an integer number (51050054999986).

Almost surely, 2^{102100109999971} is an apocalyptic number.

102100109999971 is a deficient number, since it is larger than the sum of its proper divisors (1).

102100109999971 is an equidigital number, since it uses as much as digits as its factorization.

102100109999971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 826686, while the sum is 58.

The spelling of 102100109999971 in words is "one hundred two trillion, one hundred billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred seventy-one".