102112099998 has 24 divisors (see below), whose sum is σ = 207317871432. Its totient is φ = 33529337424.

The previous prime is 102112099997. The next prime is 102112100053. The reversal of 102112099998 is 899990211201.

It is a self number, because there is not a number n which added to its sum of digits gives 102112099998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112099993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1868665 + ... + 1922532.

It is an arithmetic number, because the mean of its divisors is an integer number (8638244643).

Almost surely, 2^102112099998 is an apocalyptic number.

102112099998 is an abundant number, since it is smaller than the sum of its proper divisors (105205771434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102112099998 is an equidigital number, since it uses as much as digits as its factorization.

102112099998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791336 (or 3791269 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 51.

The spelling of 102112099998 in words is "one hundred two billion, one hundred twelve million, ninety-nine thousand, nine hundred ninety-eight".