102121313323199 has 2 divisors, whose sum is σ = 102121313323200. Its totient is φ = 102121313323198.

The previous prime is 102121313323151. The next prime is 102121313323321. The reversal of 102121313323199 is 991323313121201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102121313323199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102121313323699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060656661599 + 51060656661600.

It is an arithmetic number, because the mean of its divisors is an integer number (51060656661600).

Almost surely, 2^{102121313323199} is an apocalyptic number.

102121313323199 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121313323199 is an equidigital number, since it uses as much as digits as its factorization.

102121313323199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 102121313323199 in words is "one hundred two trillion, one hundred twenty-one billion, three hundred thirteen million, three hundred twenty-three thousand, one hundred ninety-nine".