111223320112 has 20 divisors (see below), whose sum is σ = 218222972320. Its totient is φ = 54907714368.

The previous prime is 111223320101. The next prime is 111223320119. The reversal of 111223320112 is 211023322111.

It is a self number, because there is not a number n which added to its sum of digits gives 111223320112.

It is not an unprimeable number, because it can be changed into a prime (111223320119) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 43995303 + ... + 43997830.

It is an arithmetic number, because the mean of its divisors is an integer number (10911148616).

Almost surely, 2^111223320112 is an apocalyptic number.

It is an amenable number.

111223320112 is a deficient number, since it is larger than the sum of its proper divisors (106999652208).

111223320112 is an equidigital number, since it uses as much as digits as its factorization.

111223320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87993220 (or 87993214 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111223320112 its reverse (211023322111), we get a palindrome (322246642223).

The spelling of 111223320112 in words is "one hundred eleven billion, two hundred twenty-three million, three hundred twenty thousand, one hundred twelve".