99111107 has 4 divisors (see below), whose sum is σ = 99155616. Its totient is φ = 99066600.

The previous prime is 99111053. The next prime is 99111119. The reversal of 99111107 is 70111199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99111107 - 2¹⁰ = 99110083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99111107.

It is not an unprimeable number, because it can be changed into a prime (99111907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18728 + ... + 23429.

It is an arithmetic number, because the mean of its divisors is an integer number (24788904).

Almost surely, 2^99111107 is an apocalyptic number.

99111107 is a deficient number, since it is larger than the sum of its proper divisors (44509).

99111107 is a wasteful number, since it uses less digits than its factorization.

99111107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44508.

The product of its (nonzero) digits is 567, while the sum is 29.

The square root of 99111107 is about 9955.4561422368. The cubic root of 99111107 is about 462.7794962189.

The spelling of 99111107 in words is "ninety-nine million, one hundred eleven thousand, one hundred seven".