111313421444 has 24 divisors (see below), whose sum is σ = 195559815360. Its totient is φ = 55439578656.

The previous prime is 111313421441. The next prime is 111313421501. The reversal of 111313421444 is 444124313111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111313421441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106267 + ... + 1202685.

It is an arithmetic number, because the mean of its divisors is an integer number (8148325640).

Almost surely, 2^111313421444 is an apocalyptic number.

It is an amenable number.

111313421444 is a deficient number, since it is larger than the sum of its proper divisors (84246393916).

111313421444 is a wasteful number, since it uses less digits than its factorization.

111313421444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97547 (or 97545 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

Adding to 111313421444 its reverse (444124313111), we get a palindrome (555437734555).

The spelling of 111313421444 in words is "one hundred eleven billion, three hundred thirteen million, four hundred twenty-one thousand, four hundred forty-four".