111323222231 has 16 divisors (see below), whose sum is σ = 126812715456. Its totient is φ = 96945590016.

The previous prime is 111323222201. The next prime is 111323222237. The reversal of 111323222231 is 132222323111.

It is a cyclic number.

It is not a de Polignac number, because 111323222231 - 2⁶ = 111323222167 is a prime.

It is a super-2 number, since 2×111323222231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111323222197 and 111323222206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111323222237) 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, 2528300 + ... + 2571953.

It is an arithmetic number, because the mean of its divisors is an integer number (7925794716).

Almost surely, 2^111323222231 is an apocalyptic number.

111323222231 is a deficient number, since it is larger than the sum of its proper divisors (15489493225).

111323222231 is a wasteful number, since it uses less digits than its factorization.

111323222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100362.

The product of its digits is 864, while the sum is 23.

Adding to 111323222231 its reverse (132222323111), we get a palindrome (243545545342).

The spelling of 111323222231 in words is "one hundred eleven billion, three hundred twenty-three million, two hundred twenty-two thousand, two hundred thirty-one".