11100110999 has 4 divisors (see below), whose sum is σ = 11104281936. Its totient is φ = 11095940064.

The previous prime is 11100110993. The next prime is 11100111041. The reversal of 11100110999 is 99901100111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99901100111 = 503 ⋅198610537.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100110999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100110993) 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, 2081474 + ... + 2086799.

It is an arithmetic number, because the mean of its divisors is an integer number (2776070484).

Almost surely, 2^11100110999 is an apocalyptic number.

11100110999 is a deficient number, since it is larger than the sum of its proper divisors (4170937).

11100110999 is an equidigital number, since it uses as much as digits as its factorization.

11100110999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170936.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 11100110999 in words is "eleven billion, one hundred million, one hundred ten thousand, nine hundred ninety-nine".