111112441224 has 128 divisors (see below), whose sum is σ = 289038336000. Its totient is φ = 35565868800.

The previous prime is 111112441211. The next prime is 111112441247. The reversal of 111112441224 is 422144211111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111112441194 and 111112441203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22439949 + ... + 22444899.

It is an arithmetic number, because the mean of its divisors is an integer number (2258112000).

Almost surely, 2^111112441224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111112441224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144519168000).

111112441224 is an abundant number, since it is smaller than the sum of its proper divisors (177925894776).

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

111112441224 is a wasteful number, since it uses less digits than its factorization.

111112441224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323 (or 5319 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

Adding to 111112441224 its reverse (422144211111), we get a palindrome (533256652335).

The spelling of 111112441224 in words is "one hundred eleven billion, one hundred twelve million, four hundred forty-one thousand, two hundred twenty-four".