111320312222 has 16 divisors (see below), whose sum is σ = 190839615840. Its totient is φ = 47707506528.

The previous prime is 111320312189. The next prime is 111320312239. The reversal of 111320312222 is 222213023111.

It is a junction number, because it is equal to n+sod(n) for n = 111320312194 and 111320312203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695708 + ... + 840624.

It is an arithmetic number, because the mean of its divisors is an integer number (11927475990).

Almost surely, 2^111320312222 is an apocalyptic number.

111320312222 is a deficient number, since it is larger than the sum of its proper divisors (79519303618).

111320312222 is a wasteful number, since it uses less digits than its factorization.

111320312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199795.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111320312222 its reverse (222213023111), we get a palindrome (333533335333).

The spelling of 111320312222 in words is "one hundred eleven billion, three hundred twenty million, three hundred twelve thousand, two hundred twenty-two".