99020012100 has 36 divisors (see below), whose sum is σ = 286497902544. Its totient is φ = 26405336480.

The previous prime is 99020012093. The next prime is 99020012129. The reversal of 99020012100 is 121002099.

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 11 ways as a sum of consecutive naturals, for example, 165033054 + ... + 165033653.

Almost surely, 2^99020012100 is an apocalyptic number.

It is an amenable number.

99020012100 is an abundant number, since it is smaller than the sum of its proper divisors (187477890444).

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

99020012100 is a wasteful number, since it uses less digits than its factorization.

99020012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330066724 (or 330066717 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

Adding to 99020012100 its reverse (121002099), we get a palindrome (99141014199).

The spelling of 99020012100 in words is "ninety-nine billion, twenty million, twelve thousand, one hundred".