102102120992 has 24 divisors (see below), whose sum is σ = 201167902656. Its totient is φ = 51011860032.

The previous prime is 102102120977. The next prime is 102102121013. The reversal of 102102120992 is 299021201201.

It is a super-2 number, since 2×102102120992² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182668 + ... + 1266059.

It is an arithmetic number, because the mean of its divisors is an integer number (8381995944).

Almost surely, 2^102102120992 is an apocalyptic number.

It is an amenable number.

102102120992 is a deficient number, since it is larger than the sum of its proper divisors (99065781664).

102102120992 is a wasteful number, since it uses less digits than its factorization.

102102120992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450040 (or 2450032 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 102102120992 in words is "one hundred two billion, one hundred two million, one hundred twenty thousand, nine hundred ninety-two".