111003221320 has 32 divisors (see below), whose sum is σ = 249779070720. Its totient is φ = 44397408960.

The previous prime is 111003221317. The next prime is 111003221383. The reversal of 111003221320 is 23122300111.

It is a junction number, because it is equal to n+sod(n) for n = 111003221294 and 111003221303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366505 + ... + 596935.

It is an arithmetic number, because the mean of its divisors is an integer number (7805595960).

Almost surely, 2^111003221320 is an apocalyptic number.

111003221320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111003221320 is an abundant number, since it is smaller than the sum of its proper divisors (138775849400).

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

111003221320 is a wasteful number, since it uses less digits than its factorization.

111003221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242485 (or 242481 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111003221320 its reverse (23122300111), we get a palindrome (134125521431).

The spelling of 111003221320 in words is "one hundred eleven billion, three million, two hundred twenty-one thousand, three hundred twenty".