111242032231 has 8 divisors (see below), whose sum is σ = 126631246464. Its totient is φ = 96732201720.

The previous prime is 111242032229. The next prime is 111242032271. The reversal of 111242032231 is 132230242111.

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

It is not a de Polignac number, because 111242032231 - 2¹ = 111242032229 is a prime.

It is a super-2 number, since 2×111242032231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111242032211) 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, 219845661 + ... + 219846166.

It is an arithmetic number, because the mean of its divisors is an integer number (15828905808).

Almost surely, 2^111242032231 is an apocalyptic number.

111242032231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111242032231 is a deficient number, since it is larger than the sum of its proper divisors (15389214233).

111242032231 is a wasteful number, since it uses less digits than its factorization.

111242032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439691861.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 111242032231 its reverse (132230242111), we get a palindrome (243472274342).

The spelling of 111242032231 in words is "one hundred eleven billion, two hundred forty-two million, thirty-two thousand, two hundred thirty-one".