110111111111 has 4 divisors (see below), whose sum is σ = 116588235312. Its totient is φ = 103633986912.

The previous prime is 110111111101. The next prime is 110111111147. The reversal of 110111111111 is 111111111011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111111111011 = 5273 ⋅21071707.

It is a cyclic number.

It is not a de Polignac number, because 110111111111 - 2²⁶ = 110044002247 is a prime.

It is a Duffinian number.

110111111111 is a modest number, since divided by 111111 gives 110111 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 110111111092 and 110111111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111111101) 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 3 ways as a sum of consecutive naturals, for example, 3238562075 + ... + 3238562108.

It is an arithmetic number, because the mean of its divisors is an integer number (29147058828).

Almost surely, 2^110111111111 is an apocalyptic number.

110111111111 is a deficient number, since it is larger than the sum of its proper divisors (6477124201).

110111111111 is an equidigital number, since it uses as much as digits as its factorization.

110111111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6477124200.

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

Adding to 110111111111 its reverse (111111111011), we get a palindrome (221222222122).

It can be divided in two parts, 11011 and 1111111, that multiplied together give a palindrome (12234443221).

The spelling of 110111111111 in words is "one hundred ten billion, one hundred eleven million, one hundred eleven thousand, one hundred eleven".