102099818992 has 20 divisors (see below), whose sum is σ = 197835311440. Its totient is φ = 51045545088.

The previous prime is 102099818971. The next prime is 102099819023. The reversal of 102099818992 is 299818990201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75453 + ... + 458140.

It is an arithmetic number, because the mean of its divisors is an integer number (9891765572).

Almost surely, 2^102099818992 is an apocalyptic number.

It is an amenable number.

102099818992 is a deficient number, since it is larger than the sum of its proper divisors (95735492448).

102099818992 is a wasteful number, since it uses less digits than its factorization.

102099818992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545560 (or 545554 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 58.

The spelling of 102099818992 in words is "one hundred two billion, ninety-nine million, eight hundred eighteen thousand, nine hundred ninety-two".