102002010108091 has 2 divisors, whose sum is σ = 102002010108092. Its totient is φ = 102002010108090.

The previous prime is 102002010108041. The next prime is 102002010108137. The reversal of 102002010108091 is 190801010200201.

It is a strong prime.

It is an emirp because it is prime and its reverse (190801010200201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102002010108091 - 2²³ = 102002001719483 is a prime.

It is not a weakly prime, because it can be changed into another prime (102002010108041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51001005054045 + 51001005054046.

It is an arithmetic number, because the mean of its divisors is an integer number (51001005054046).

Almost surely, 2^{102002010108091} is an apocalyptic number.

102002010108091 is a deficient number, since it is larger than the sum of its proper divisors (1).

102002010108091 is an equidigital number, since it uses as much as digits as its factorization.

102002010108091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

Adding to 102002010108091 its reverse (190801010200201), we get a palindrome (292803020308292).

The spelling of 102002010108091 in words is "one hundred two trillion, two billion, ten million, one hundred eight thousand, ninety-one".