111000111109999 has 8 divisors (see below), whose sum is σ = 112018682930000. Its totient is φ = 109981543329792.

The previous prime is 111000111109997. The next prime is 111000111110059. The reversal of 111000111109999 is 999901111000111.

It is a happy number.

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 111000111109999 - 2¹ = 111000111109997 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 (111000111109991) 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, 105281647 + ... + 106330735.

It is an arithmetic number, because the mean of its divisors is an integer number (14002335366250).

Almost surely, 2^{111000111109999} is an apocalyptic number.

111000111109999 is a deficient number, since it is larger than the sum of its proper divisors (1018571820001).

111000111109999 is a wasteful number, since it uses less digits than its factorization.

111000111109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019897.

The product of its (nonzero) digits is 6561, while the sum is 43.

The spelling of 111000111109999 in words is "one hundred eleven trillion, one hundred eleven million, one hundred nine thousand, nine hundred ninety-nine".