111012313111 has 16 divisors (see below), whose sum is σ = 129065114880. Its totient is φ = 93509075520.

The previous prime is 111012313103. The next prime is 111012313117. The reversal of 111012313111 is 111313210111.

It is not a de Polignac number, because 111012313111 - 2³ = 111012313103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012313117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1222851 + ... + 1310491.

It is an arithmetic number, because the mean of its divisors is an integer number (8066569680).

Almost surely, 2^111012313111 is an apocalyptic number.

111012313111 is a deficient number, since it is larger than the sum of its proper divisors (18052801769).

111012313111 is an equidigital number, since it uses as much as digits as its factorization.

111012313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90774.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 111012313111 its reverse (111313210111), we get a palindrome (222325523222).

The spelling of 111012313111 in words is "one hundred eleven billion, twelve million, three hundred thirteen thousand, one hundred eleven".