9900099900099 has 6 divisors (see below), whose sum is σ = 14300144300156. Its totient is φ = 6600066600060.

The previous prime is 9900099900091. The next prime is 9900099900121.

9900099900099 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9900099900099 - 2³ = 9900099900091 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9900099900091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550005549997 + ... + 550005550014.

Almost surely, 2^{9900099900099} is an apocalyptic number.

9900099900099 is a deficient number, since it is larger than the sum of its proper divisors (4400044400057).

9900099900099 is a wasteful number, since it uses less digits than its factorization.

9900099900099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100011100017 (or 1100011100014 counting only the distinct ones).

The product of its (nonzero) digits is 4782969, while the sum is 63.

The spelling of 9900099900099 in words is "nine trillion, nine hundred billion, ninety-nine million, nine hundred thousand, ninety-nine".