9900111000100 has 72 divisors (see below), whose sum is σ = 22733031742848. Its totient is φ = 3734518233600.

The previous prime is 9900111000089. The next prime is 9900111000121. The reversal of 9900111000100 is 10001110099.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30149349 + ... + 30475948.

It is an arithmetic number, because the mean of its divisors is an integer number (315736551984).

Almost surely, 2^{9900111000100} is an apocalyptic number.

It is an amenable number.

9900111000100 is an abundant number, since it is smaller than the sum of its proper divisors (12832920742748).

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

9900111000100 is a wasteful number, since it uses less digits than its factorization.

9900111000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60625405 (or 60625398 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 22.

Adding to 9900111000100 its reverse (10001110099), we get a palindrome (9910112110199).

The spelling of 9900111000100 in words is "nine trillion, nine hundred billion, one hundred eleven million, one hundred", and thus it is an aban number.