111111111111114 has 24 divisors (see below), whose sum is σ = 240741279634752. Its totient is φ = 37036954130280.

The previous prime is 111111111111053. The next prime is 111111111111229. The reversal of 111111111111114 is 411111111111111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1641637 + ... + 14997239.

It is an arithmetic number, because the mean of its divisors is an integer number (10030886651448).

Almost surely, 2^{111111111111114} is an apocalyptic number.

111111111111114 is an abundant number, since it is smaller than the sum of its proper divisors (129630168523638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111111111111114 is a wasteful number, since it uses less digits than its factorization.

111111111111114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13817802 (or 13817799 counting only the distinct ones).

The product of its digits is 4, while the sum is 18.

Adding to 111111111111114 its reverse (411111111111111), we get a palindrome (522222222222225).

It can be divided in two parts, 11111111111111 and 4, that multiplied together give a palindrome (44444444444444).

The spelling of 111111111111114 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred eleven million, one hundred eleven thousand, one hundred fourteen".