99999100002 has 32 divisors (see below), whose sum is σ = 201600000000. Its totient is φ = 33066869328.

The previous prime is 99999100001. The next prime is 99999100009. The reversal of 99999100002 is 20000199999.

It is not an unprimeable number, because it can be changed into a prime (99999100001) 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, 399999 + ... + 599997.

It is an arithmetic number, because the mean of its divisors is an integer number (6300000000).

Almost surely, 2^99999100002 is an apocalyptic number.

99999100002 is an abundant number, since it is smaller than the sum of its proper divisors (101600899998).

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

99999100002 is a wasteful number, since it uses less digits than its factorization.

99999100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200670.

The product of its (nonzero) digits is 118098, while the sum is 48.

The spelling of 99999100002 in words is "ninety-nine billion, nine hundred ninety-nine million, one hundred thousand, two".