111224031368 has 12 divisors (see below), whose sum is σ = 208546827495. Its totient is φ = 55611544040.

The previous prime is 111224031329. The next prime is 111224031379. The reversal of 111224031368 is 863130422111.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 55612015684 + 55612015684 = 235822^2 + 235822^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=235822.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 884333 + ... + 1002243.

Almost surely, 2^111224031368 is an apocalyptic number.

It is an amenable number.

111224031368 is a deficient number, since it is larger than the sum of its proper divisors (97322796127).

111224031368 is an frugal number, since it uses more digits than its factorization.

111224031368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235828 (or 117913 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

Multiplying 111224031368 by its sum of digits (32), we get a square (3559169003776 = 1886576²).

Adding to 111224031368 its reverse (863130422111), we get a palindrome (974354453479).

The spelling of 111224031368 in words is "one hundred eleven billion, two hundred twenty-four million, thirty-one thousand, three hundred sixty-eight".