102110021099 has 2 divisors, whose sum is σ = 102110021100. Its totient is φ = 102110021098.

The previous prime is 102110021089. The next prime is 102110021113. The reversal of 102110021099 is 990120011201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102110021099 - 2²⁴ = 102093243883 is a prime.

It is not a weakly prime, because it can be changed into another prime (102110021089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055010549 + 51055010550.

It is an arithmetic number, because the mean of its divisors is an integer number (51055010550).

Almost surely, 2^102110021099 is an apocalyptic number.

102110021099 is a deficient number, since it is larger than the sum of its proper divisors (1).

102110021099 is an equidigital number, since it uses as much as digits as its factorization.

102110021099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 102110021099 in words is "one hundred two billion, one hundred ten million, twenty-one thousand, ninety-nine".