111000111101111 has 8 divisors (see below), whose sum is σ = 113362846121664. Its totient is φ = 108637419019360.

The previous prime is 111000111101059. The next prime is 111000111101221. The reversal of 111000111101111 is 111101111000111.

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 111000111101111 - 2³⁴ = 110982931231927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111000111101092 and 111000111101101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000111101311) 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, 5482460 + ... + 15876321.

It is an arithmetic number, because the mean of its divisors is an integer number (14170355765208).

Almost surely, 2^{111000111101111} is an apocalyptic number.

111000111101111 is a deficient number, since it is larger than the sum of its proper divisors (2362735020553).

111000111101111 is a wasteful number, since it uses less digits than its factorization.

111000111101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21469401.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 111000111101111 its reverse (111101111000111), we get a palindrome (222101222101222).

It can be divided in two parts, 111000 and 111101111, that added together give a palindrome (111212111).

The spelling of 111000111101111 in words is "one hundred eleven trillion, one hundred eleven million, one hundred one thousand, one hundred eleven".