111114212143 has 16 divisors (see below), whose sum is σ = 121493831040. Its totient is φ = 100781215200.

The previous prime is 111114212137. The next prime is 111114212171. The reversal of 111114212143 is 341212411111.

It is a cyclic number.

It is not a de Polignac number, because 111114212143 - 2³³ = 102524277551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111114212843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11890653 + ... + 11899993.

It is an arithmetic number, because the mean of its divisors is an integer number (7593364440).

Almost surely, 2^111114212143 is an apocalyptic number.

111114212143 is a deficient number, since it is larger than the sum of its proper divisors (10379618897).

111114212143 is a wasteful number, since it uses less digits than its factorization.

111114212143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11718.

The product of its digits is 192, while the sum is 22.

Adding to 111114212143 its reverse (341212411111), we get a palindrome (452326623254).

The spelling of 111114212143 in words is "one hundred eleven billion, one hundred fourteen million, two hundred twelve thousand, one hundred forty-three".