111424212444 has 12 divisors (see below), whose sum is σ = 259989829064. Its totient is φ = 37141404144.

The previous prime is 111424212373. The next prime is 111424212457. The reversal of 111424212444 is 444212424111.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a congruent number.

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, 4642675507 + ... + 4642675530.

Almost surely, 2^111424212444 is an apocalyptic number.

It is an amenable number.

111424212444 is an abundant number, since it is smaller than the sum of its proper divisors (148565616620).

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

111424212444 is a wasteful number, since it uses less digits than its factorization.

111424212444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9285351044 (or 9285351042 counting only the distinct ones).

The product of its digits is 8192, while the sum is 30.

Adding to 111424212444 its reverse (444212424111), we get a palindrome (555636636555).

The spelling of 111424212444 in words is "one hundred eleven billion, four hundred twenty-four million, two hundred twelve thousand, four hundred forty-four".