111443211044 has 12 divisors (see below), whose sum is σ = 212755221168. Its totient is φ = 50656005000.

The previous prime is 111443211041. The next prime is 111443211053. The reversal of 111443211044 is 440112344111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111443211041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266400082 + ... + 1266400169.

It is an arithmetic number, because the mean of its divisors is an integer number (17729601764).

Almost surely, 2^111443211044 is an apocalyptic number.

It is an amenable number.

111443211044 is a deficient number, since it is larger than the sum of its proper divisors (101312010124).

111443211044 is a wasteful number, since it uses less digits than its factorization.

111443211044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532800266 (or 2532800264 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 111443211044 its reverse (440112344111), we get a palindrome (551555555155).

The spelling of 111443211044 in words is "one hundred eleven billion, four hundred forty-three million, two hundred eleven thousand, forty-four".