111310211222 has 16 divisors (see below), whose sum is σ = 193431445152. Its totient is φ = 47050891200.

The previous prime is 111310211213. The next prime is 111310211261. The reversal of 111310211222 is 222112013111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111310211222.

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, 54456029 + ... + 54458072.

It is an arithmetic number, because the mean of its divisors is an integer number (12089465322).

Almost surely, 2^111310211222 is an apocalyptic number.

111310211222 is a deficient number, since it is larger than the sum of its proper divisors (82121233930).

111310211222 is a wasteful number, since it uses less digits than its factorization.

111310211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108914183.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111310211222 its reverse (222112013111), we get a palindrome (333422224333).

The spelling of 111310211222 in words is "one hundred eleven billion, three hundred ten million, two hundred eleven thousand, two hundred twenty-two".