111110111000111 has 2 divisors, whose sum is σ = 111110111000112. Its totient is φ = 111110111000110.

The previous prime is 111110111000089. The next prime is 111110111000113. The reversal of 111110111000111 is 111000111011111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111110111000111 - 2²² = 111110106805807 is a prime.

Together with 111110111000113, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 111110111000092 and 111110111000101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111110111000113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555055500055 + 55555055500056.

It is an arithmetic number, because the mean of its divisors is an integer number (55555055500056).

Almost surely, 2^{111110111000111} is an apocalyptic number.

111110111000111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110111000111 is an equidigital number, since it uses as much as digits as its factorization.

111110111000111 is an evil number, because the sum of its binary digits is even.

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

Adding to 111110111000111 its reverse (111000111011111), we get a palindrome (222110222011222).

The spelling of 111110111000111 in words is "one hundred eleven trillion, one hundred ten billion, one hundred eleven million, one hundred eleven", and thus it is an aban number.