99000900900100 has 18 divisors (see below), whose sum is σ = 214831954953434. Its totient is φ = 39600360360000.

The previous prime is 99000900900089. The next prime is 99000900900127. The reversal of 99000900900100 is 100900900099.

It can be written as a sum of positive squares in 3 ways, for example, as 9993337178176 + 89007563721924 = 3161224^2 + 9434382^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99000900900100.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495004504401 + ... + 495004504600.

Almost surely, 2^{99000900900100} is an apocalyptic number.

It is an amenable number.

99000900900100 is an abundant number, since it is smaller than the sum of its proper divisors (115831054053334).

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

99000900900100 is a wasteful number, since it uses less digits than its factorization.

99000900900100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990009009015 (or 990009009008 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 37.

The spelling of 99000900900100 in words is "ninety-nine trillion, nine hundred million, nine hundred thousand, one hundred".