110111109999 has 16 divisors (see below), whose sum is σ = 161222294784. Its totient is φ = 66292056000.

The previous prime is 110111109991. The next prime is 110111110019. The reversal of 110111109999 is 999901111011.

It is not a de Polignac number, because 110111109999 - 2³ = 110111109991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110111109999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111109991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11043694 + ... + 11053659.

It is an arithmetic number, because the mean of its divisors is an integer number (10076393424).

Almost surely, 2^110111109999 is an apocalyptic number.

110111109999 is a deficient number, since it is larger than the sum of its proper divisors (51111184785).

110111109999 is a wasteful number, since it uses less digits than its factorization.

110111109999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22097518.

The product of its (nonzero) digits is 6561, while the sum is 42.

The spelling of 110111109999 in words is "one hundred ten billion, one hundred eleven million, one hundred nine thousand, nine hundred ninety-nine".