111142010311 has 4 divisors (see below), whose sum is σ = 111151761624. Its totient is φ = 111132259000.

The previous prime is 111142010279. The next prime is 111142010323. The reversal of 111142010311 is 113010241111.

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 111142010311 - 2⁵ = 111142010279 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 (111142010611) 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, 4858540 + ... + 4881361.

It is an arithmetic number, because the mean of its divisors is an integer number (27787940406).

Almost surely, 2^111142010311 is an apocalyptic number.

111142010311 is a deficient number, since it is larger than the sum of its proper divisors (9751313).

111142010311 is an equidigital number, since it uses as much as digits as its factorization.

111142010311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9751312.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111142010311 its reverse (113010241111), we get a palindrome (224152251422).

The spelling of 111142010311 in words is "one hundred eleven billion, one hundred forty-two million, ten thousand, three hundred eleven".