111023101231 has 8 divisors (see below), whose sum is σ = 127592392320. Its totient is φ = 94631022168.

The previous prime is 111023101207. The next prime is 111023101243. The reversal of 111023101231 is 132101320111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111023101231 - 2⁷ = 111023101103 is a prime.

It is a super-2 number, since 2×111023101231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111023101291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44301661 + ... + 44304166.

It is an arithmetic number, because the mean of its divisors is an integer number (15949049040).

Almost surely, 2^111023101231 is an apocalyptic number.

111023101231 is a deficient number, since it is larger than the sum of its proper divisors (16569291089).

111023101231 is an equidigital number, since it uses as much as digits as its factorization.

111023101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88606013.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111023101231 its reverse (132101320111), we get a palindrome (243124421342).

The spelling of 111023101231 in words is "one hundred eleven billion, twenty-three million, one hundred one thousand, two hundred thirty-one".