111323211144 has 64 divisors (see below), whose sum is σ = 293078476800. Its totient is φ = 35139979584.

The previous prime is 111323211101. The next prime is 111323211149. The reversal of 111323211144 is 441112323111.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is not an unprimeable number, because it can be changed into a prime (111323211149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065949 + ... + 1165715.

It is an arithmetic number, because the mean of its divisors is an integer number (4579351200).

Almost surely, 2^111323211144 is an apocalyptic number.

It is an amenable number.

111323211144 is an abundant number, since it is smaller than the sum of its proper divisors (181755265656).

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

111323211144 is a wasteful number, since it uses less digits than its factorization.

111323211144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102242 (or 102238 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

Adding to 111323211144 its reverse (441112323111), we get a palindrome (552435534255).

The spelling of 111323211144 in words is "one hundred eleven billion, three hundred twenty-three million, two hundred eleven thousand, one hundred forty-four".