111123304424 has 64 divisors (see below), whose sum is σ = 233545507200. Its totient is φ = 49123411200.

The previous prime is 111123304403. The next prime is 111123304429. The reversal of 111123304424 is 424403321111.

It is a super-2 number, since 2×111123304424² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111123304393 and 111123304402.

It is not an unprimeable number, because it can be changed into a prime (111123304429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8820722 + ... + 8833310.

It is an arithmetic number, because the mean of its divisors is an integer number (3649148550).

Almost surely, 2^111123304424 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 111123304424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116772753600).

111123304424 is an abundant number, since it is smaller than the sum of its proper divisors (122422202776).

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

111123304424 is a wasteful number, since it uses less digits than its factorization.

111123304424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15354 (or 15350 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 111123304424 its reverse (424403321111), we get a palindrome (535526625535).

The spelling of 111123304424 in words is "one hundred eleven billion, one hundred twenty-three million, three hundred four thousand, four hundred twenty-four".