111223331320 has 64 divisors (see below), whose sum is σ = 251127676800. Its totient is φ = 44334034560.

The previous prime is 111223331309. The next prime is 111223331353. The reversal of 111223331320 is 23133322111.

It is a junction number, because it is equal to n+sod(n) for n = 111223331291 and 111223331300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14134027 + ... + 14141893.

It is an arithmetic number, because the mean of its divisors is an integer number (3923869950).

Almost surely, 2^111223331320 is an apocalyptic number.

111223331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111223331320 is an abundant number, since it is smaller than the sum of its proper divisors (139904345480).

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

111223331320 is a wasteful number, since it uses less digits than its factorization.

111223331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9068 (or 9064 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 111223331320 its reverse (23133322111), we get a palindrome (134356653431).

The spelling of 111223331320 in words is "one hundred eleven billion, two hundred twenty-three million, three hundred thirty-one thousand, three hundred twenty".