102110101999 has 2 divisors, whose sum is σ = 102110102000. Its totient is φ = 102110101998.

The previous prime is 102110101993. The next prime is 102110102011. The reversal of 102110101999 is 999101011201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102110101999 - 2⁹ = 102110101487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102110101993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055050999 + 51055051000.

It is an arithmetic number, because the mean of its divisors is an integer number (51055051000).

Almost surely, 2^102110101999 is an apocalyptic number.

102110101999 is a deficient number, since it is larger than the sum of its proper divisors (1).

102110101999 is an equidigital number, since it uses as much as digits as its factorization.

102110101999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 34.

The spelling of 102110101999 in words is "one hundred two billion, one hundred ten million, one hundred one thousand, nine hundred ninety-nine".