111320311012 has 12 divisors (see below), whose sum is σ = 194831046396. Its totient is φ = 55654297760.

The previous prime is 111320310973. The next prime is 111320311021. The reversal of 111320311012 is 210113023111.

It is a happy number.

111320311012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13561534116 + 97758776896 = 116454^2 + 312664^2 .

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 3 ways as a sum of consecutive naturals, for example, 1421539 + ... + 1497802.

It is an arithmetic number, because the mean of its divisors is an integer number (16235920533).

Almost surely, 2^111320311012 is an apocalyptic number.

It is an amenable number.

111320311012 is a deficient number, since it is larger than the sum of its proper divisors (83510735384).

111320311012 is a wasteful number, since it uses less digits than its factorization.

111320311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928878 (or 2928876 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111320311012 its reverse (210113023111), we get a palindrome (321433334123).

The spelling of 111320311012 in words is "one hundred eleven billion, three hundred twenty million, three hundred eleven thousand, twelve".