102171012316327 has 2 divisors, whose sum is σ = 102171012316328. Its totient is φ = 102171012316326.

The previous prime is 102171012316297. The next prime is 102171012316421. The reversal of 102171012316327 is 723613210171201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102171012316327 - 2²³ = 102171003927719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102171012356327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51085506158163 + 51085506158164.

It is an arithmetic number, because the mean of its divisors is an integer number (51085506158164).

Almost surely, 2^{102171012316327} is an apocalyptic number.

102171012316327 is a deficient number, since it is larger than the sum of its proper divisors (1).

102171012316327 is an equidigital number, since it uses as much as digits as its factorization.

102171012316327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

Adding to 102171012316327 its reverse (723613210171201), we get a palindrome (825784222487528).

The spelling of 102171012316327 in words is "one hundred two trillion, one hundred seventy-one billion, twelve million, three hundred sixteen thousand, three hundred twenty-seven".