111443321120 has 24 divisors (see below), whose sum is σ = 263284846524. Its totient is φ = 44577328384.

The previous prime is 111443321047. The next prime is 111443321123. The reversal of 111443321120 is 21123344111.

It can be written as a sum of positive squares in 2 ways, for example, as 90791331856 + 20651989264 = 301316^2 + 143708^2 .

It is a super-2 number, since 2×111443321120² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111443321123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348260219 + ... + 348260538.

Almost surely, 2^111443321120 is an apocalyptic number.

111443321120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111443321120 is an abundant number, since it is smaller than the sum of its proper divisors (151841525404).

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

111443321120 is an equidigital number, since it uses as much as digits as its factorization.

111443321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696520772 (or 696520764 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 111443321120 its reverse (21123344111), we get a palindrome (132566665231).

The spelling of 111443321120 in words is "one hundred eleven billion, four hundred forty-three million, three hundred twenty-one thousand, one hundred twenty".