111424121304 has 64 divisors (see below), whose sum is σ = 279793970400. Its totient is φ = 36977181696.

The previous prime is 111424121287. The next prime is 111424121353. The reversal of 111424121304 is 403121424111.

It is a happy number.

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

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 6399042 + ... + 6416430.

Almost surely, 2^111424121304 is an apocalyptic number.

It is an amenable number.

111424121304 is an abundant number, since it is smaller than the sum of its proper divisors (168369849096).

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

111424121304 is a wasteful number, since it uses less digits than its factorization.

111424121304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18564 (or 18560 counting only the distinct ones).

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

Adding to 111424121304 its reverse (403121424111), we get a palindrome (514545545415).

The spelling of 111424121304 in words is "one hundred eleven billion, four hundred twenty-four million, one hundred twenty-one thousand, three hundred four".