111110324442 has 192 divisors, whose sum is σ = 256134977280. Its totient is φ = 31899829248.

The previous prime is 111110324411. The next prime is 111110324443. The reversal of 111110324442 is 244423011111.

It is a happy number.

It is a super-2 number, since 2×111110324442² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111110324443) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 811024198 + ... + 811024334.

It is an arithmetic number, because the mean of its divisors is an integer number (1334036340).

Almost surely, 2^111110324442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111110324442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128067488640).

111110324442 is an abundant number, since it is smaller than the sum of its proper divisors (145024652838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111110324442 is a wasteful number, since it uses less digits than its factorization.

111110324442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 111110324442 its reverse (244423011111), we get a palindrome (355533335553).

The spelling of 111110324442 in words is "one hundred eleven billion, one hundred ten million, three hundred twenty-four thousand, four hundred forty-two".