99009900990099 has 96 divisors (see below), whose sum is σ = 168678242126784. Its totient is φ = 55295991152640.

The previous prime is 99009900990073. The next prime is 99009900990151.

99009900990099 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 99009900990099 - 2⁵ = 99009900990067 is a prime.

99009900990099 is a modest number, since divided by 9900990099 gives 99 as remainder.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99009900990499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13890507 + ... + 19772859.

It is an arithmetic number, because the mean of its divisors is an integer number (1757065022154).

Almost surely, 2^{99009900990099} is an apocalyptic number.

99009900990099 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

99009900990099 is a deficient number, since it is larger than the sum of its proper divisors (69668341136685).

99009900990099 is a wasteful number, since it uses less digits than its factorization.

99009900990099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882597 (or 5882594 counting only the distinct ones).

The product of its (nonzero) digits is 43046721, while the sum is 72.

It can be divided in two parts, 99009900 and 990099, that multiplied together give a square (98029602980100 = 9900990²).

The spelling of 99009900990099 in words is "ninety-nine trillion, nine billion, nine hundred million, nine hundred ninety thousand, ninety-nine".