110991099 has 8 divisors (see below), whose sum is σ = 149651280. Its totient is φ = 73162496.

The previous prime is 110991071. The next prime is 110991119. The reversal of 110991099 is 990199011.

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 110991099 - 2¹² = 110987003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (110991029) 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, 207582 + ... + 208115.

It is an arithmetic number, because the mean of its divisors is an integer number (18706410).

Almost surely, 2^110991099 is an apocalyptic number.

110991099 is a deficient number, since it is larger than the sum of its proper divisors (38660181).

110991099 is an equidigital number, since it uses as much as digits as its factorization.

110991099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415789.

The product of its (nonzero) digits is 6561, while the sum is 39.

The square root of 110991099 is about 10535.2313216180. The cubic root of 110991099 is about 480.5767069983.

The spelling of 110991099 in words is "one hundred ten million, nine hundred ninety-one thousand, ninety-nine".