99911099 has 8 divisors (see below), whose sum is σ = 100835280. Its totient is φ = 98991616.

The previous prime is 99911093. The next prime is 99911183. The reversal of 99911099 is 99011999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99911099 - 2²⁰ = 98862523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99911093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51947 + ... + 53835.

It is an arithmetic number, because the mean of its divisors is an integer number (12604410).

Almost surely, 2^99911099 is an apocalyptic number.

99911099 is a deficient number, since it is larger than the sum of its proper divisors (924181).

99911099 is a wasteful number, since it uses less digits than its factorization.

99911099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349.

The product of its (nonzero) digits is 59049, while the sum is 47.

The square root of 99911099 is about 9995.5539616371. The cubic root of 99911099 is about 464.0212952845.

The spelling of 99911099 in words is "ninety-nine million, nine hundred eleven thousand, ninety-nine".