111142441432231 has 8 divisors (see below), whose sum is σ = 125157470704128. Its totient is φ = 97779273987000.

The previous prime is 111142441432213. The next prime is 111142441432247. The reversal of 111142441432231 is 132234144241111.

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 111142441432231 - 2¹³ = 111142441424039 is a prime.

It is a super-2 number, since 2×111142441432231² (a number of 29 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 (111142441432531) 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, 162965456305 + ... + 162965456986.

It is an arithmetic number, because the mean of its divisors is an integer number (15644683838016).

Almost surely, 2^{111142441432231} is an apocalyptic number.

111142441432231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111142441432231 is a deficient number, since it is larger than the sum of its proper divisors (14015029271897).

111142441432231 is a wasteful number, since it uses less digits than its factorization.

111142441432231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325930913333.

The product of its digits is 18432, while the sum is 34.

Adding to 111142441432231 its reverse (132234144241111), we get a palindrome (243376585673342).

The spelling of 111142441432231 in words is "one hundred eleven trillion, one hundred forty-two billion, four hundred forty-one million, four hundred thirty-two thousand, two hundred thirty-one".