111023130311 has 4 divisors (see below), whose sum is σ = 111117139224. Its totient is φ = 110929121400.

The previous prime is 111023130271. The next prime is 111023130347. The reversal of 111023130311 is 113031320111.

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-111023130311 is a prime.

It is a super-2 number, since 2×111023130311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111023130311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111023130611) 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, 47002685 + ... + 47005046.

It is an arithmetic number, because the mean of its divisors is an integer number (27779284806).

Almost surely, 2^111023130311 is an apocalyptic number.

111023130311 is a deficient number, since it is larger than the sum of its proper divisors (94008913).

111023130311 is an equidigital number, since it uses as much as digits as its factorization.

111023130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94008912.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 111023130311 its reverse (113031320111), we get a palindrome (224054450422).

It can be divided in two parts, 11102 and 3130311, that added together give a palindrome (3141413).

The spelling of 111023130311 in words is "one hundred eleven billion, twenty-three million, one hundred thirty thousand, three hundred eleven".