111110100112111 has 4 divisors (see below), whose sum is σ = 111322547722792. Its totient is φ = 110897652501432.

The previous prime is 111110100112069. The next prime is 111110100112117. The reversal of 111110100112111 is 111211001011111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111110100112111 - 2⁹ = 111110100111599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111110100112091 and 111110100112100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110100112117) 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, 106223804556 + ... + 106223805601.

It is an arithmetic number, because the mean of its divisors is an integer number (27830636930698).

Almost surely, 2^{111110100112111} is an apocalyptic number.

111110100112111 is a deficient number, since it is larger than the sum of its proper divisors (212447610681).

111110100112111 is an equidigital number, since it uses as much as digits as its factorization.

111110100112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212447610680.

The product of its (nonzero) digits is 2, while the sum is 13.

Adding to 111110100112111 its reverse (111211001011111), we get a palindrome (222321101123222).

The spelling of 111110100112111 in words is "one hundred eleven trillion, one hundred ten billion, one hundred million, one hundred twelve thousand, one hundred eleven".