1110110111111 has 4 divisors (see below), whose sum is σ = 1112963865000. Its totient is φ = 1107256357224.

The previous prime is 1110110111083. The next prime is 1110110111113. The reversal of 1110110111111 is 1111110110111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110110111111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110110111092 and 1110110111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110110111113) 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, 1426876361 + ... + 1426877138.

It is an arithmetic number, because the mean of its divisors is an integer number (278240966250).

Almost surely, 2^{1110110111111} is an apocalyptic number.

1110110111111 is a deficient number, since it is larger than the sum of its proper divisors (2853753889).

1110110111111 is an equidigital number, since it uses as much as digits as its factorization.

1110110111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853753888.

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

Adding to 1110110111111 its reverse (1111110110111), we get a palindrome (2221220221222).

It can be divided in two parts, 1110110111 and 111, that multiplied together give a palindrome (123222222321).

The spelling of 1110110111111 in words is "one trillion, one hundred ten billion, one hundred ten million, one hundred eleven thousand, one hundred eleven".