102040599099 has 16 divisors (see below), whose sum is σ = 140452752384. Its totient is φ = 65828061600.

The previous prime is 102040599091. The next prime is 102040599151. The reversal of 102040599099 is 990995040201.

It is not a de Polignac number, because 102040599099 - 2³ = 102040599091 is a prime.

It is a super-2 number, since 2×102040599099² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102040599091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1755232 + ... + 1812434.

It is an arithmetic number, because the mean of its divisors is an integer number (8778297024).

Almost surely, 2^102040599099 is an apocalyptic number.

102040599099 is a deficient number, since it is larger than the sum of its proper divisors (38412153285).

102040599099 is a wasteful number, since it uses less digits than its factorization.

102040599099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76418.

The product of its (nonzero) digits is 262440, while the sum is 48.

The spelling of 102040599099 in words is "one hundred two billion, forty million, five hundred ninety-nine thousand, ninety-nine".