111100099 has 4 divisors (see below), whose sum is σ = 121200120. Its totient is φ = 101000080.

The previous prime is 111100061. The next prime is 111100123. The reversal of 111100099 is 990001111.

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 111100099 - 2²¹ = 109002947 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 (111100399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5049994 + ... + 5050015.

It is an arithmetic number, because the mean of its divisors is an integer number (30300030).

Almost surely, 2^111100099 is an apocalyptic number.

111100099 is a deficient number, since it is larger than the sum of its proper divisors (10100021).

111100099 is a wasteful number, since it uses less digits than its factorization.

111100099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100020.

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

The square root of 111100099 is about 10540.4031706572. The cubic root of 111100099 is about 480.7339740319.

The spelling of 111100099 in words is "one hundred eleven million, one hundred thousand, ninety-nine".