111101322231 has 6 divisors (see below), whose sum is σ = 160479687680. Its totient is φ = 74067548148.

The previous prime is 111101322223. The next prime is 111101322373. The reversal of 111101322231 is 132223101111.

111101322231 is a `hidden beast` number, since 1 + 1 + 110 + 1 + 322 + 231 = 666.

It is not a de Polignac number, because 111101322231 - 2³ = 111101322223 is a prime.

It is a super-2 number, since 2×111101322231² (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 (111101323231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6172295671 + ... + 6172295688.

Almost surely, 2^111101322231 is an apocalyptic number.

111101322231 is a deficient number, since it is larger than the sum of its proper divisors (49378365449).

111101322231 is a wasteful number, since it uses less digits than its factorization.

111101322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12344591365 (or 12344591362 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111101322231 its reverse (132223101111), we get a palindrome (243324423342).

The spelling of 111101322231 in words is "one hundred eleven billion, one hundred one million, three hundred twenty-two thousand, two hundred thirty-one".