99010891100 has 36 divisors (see below), whose sum is σ = 234385784808. Its totient is φ = 36003960000.

The previous prime is 99010891081. The next prime is 99010891141. The reversal of 99010891100 is 119801099.

It is a happy number.

It is a congruent number.

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, 45003851 + ... + 45006050.

Almost surely, 2^99010891100 is an apocalyptic number.

It is an amenable number.

99010891100 is an abundant number, since it is smaller than the sum of its proper divisors (135374893708).

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

99010891100 is a wasteful number, since it uses less digits than its factorization.

99010891100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90009926 (or 90009919 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 99010891100 in words is "ninety-nine billion, ten million, eight hundred ninety-one thousand, one hundred".