111312424442 has 8 divisors (see below), whose sum is σ = 167717375616. Its totient is φ = 55406632572.

The previous prime is 111312424361. The next prime is 111312424459. The reversal of 111312424442 is 244424213111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×111312424442² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124789268 + ... + 124790159.

It is an arithmetic number, because the mean of its divisors is an integer number (20964671952).

Almost surely, 2^111312424442 is an apocalyptic number.

111312424442 is a deficient number, since it is larger than the sum of its proper divisors (56404951174).

111312424442 is a wasteful number, since it uses less digits than its factorization.

111312424442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249579652.

The product of its digits is 6144, while the sum is 29.

Adding to 111312424442 its reverse (244424213111), we get a palindrome (355736637553).

The spelling of 111312424442 in words is "one hundred eleven billion, three hundred twelve million, four hundred twenty-four thousand, four hundred forty-two".