102110971 has 2 divisors, whose sum is σ = 102110972. Its totient is φ = 102110970.

The previous prime is 102110947. The next prime is 102111029. The reversal of 102110971 is 179011201.

It is a weak prime.

It is an emirp because it is prime and its reverse (179011201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102110971 is a prime.

It is not a weakly prime, because it can be changed into another prime (102110471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055485 + 51055486.

It is an arithmetic number, because the mean of its divisors is an integer number (51055486).

Almost surely, 2^102110971 is an apocalyptic number.

102110971 is a deficient number, since it is larger than the sum of its proper divisors (1).

102110971 is an equidigital number, since it uses as much as digits as its factorization.

102110971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 102110971 is about 10104.9973280551. The cubic root of 102110971 is about 467.4022535784.

The spelling of 102110971 in words is "one hundred two million, one hundred ten thousand, nine hundred seventy-one".