111121441444 has 96 divisors (see below), whose sum is σ = 214116295680. Its totient is φ = 50154467328.

The previous prime is 111121441429. The next prime is 111121441469. The reversal of 111121441444 is 444144121111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179517367 + ... + 179517985.

It is an arithmetic number, because the mean of its divisors is an integer number (2230378080).

Almost surely, 2^111121441444 is an apocalyptic number.

It is an amenable number.

111121441444 is a deficient number, since it is larger than the sum of its proper divisors (102994854236).

111121441444 is a wasteful number, since it uses less digits than its factorization.

111121441444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1107 counting only the distinct ones).

The product of its digits is 2048, while the sum is 28.

Adding to 111121441444 its reverse (444144121111), we get a palindrome (555265562555).

The spelling of 111121441444 in words is "one hundred eleven billion, one hundred twenty-one million, four hundred forty-one thousand, four hundred forty-four".