111311203222 has 16 divisors (see below), whose sum is σ = 169034040000. Its totient is φ = 54966964552.

The previous prime is 111311203187. The next prime is 111311203243. The reversal of 111311203222 is 222302113111.

It is a self number, because there is not a number n which added to its sum of digits gives 111311203222.

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, 403029 + ... + 620527.

It is an arithmetic number, because the mean of its divisors is an integer number (10564627500).

Almost surely, 2^111311203222 is an apocalyptic number.

111311203222 is a deficient number, since it is larger than the sum of its proper divisors (57722836778).

111311203222 is a wasteful number, since it uses less digits than its factorization.

111311203222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220667.

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

Adding to 111311203222 its reverse (222302113111), we get a palindrome (333613316333).

The spelling of 111311203222 in words is "one hundred eleven billion, three hundred eleven million, two hundred three thousand, two hundred twenty-two".