222443201111 has 4 divisors (see below), whose sum is σ = 235528095312. Its totient is φ = 209358306912.

The previous prime is 222443201063. The next prime is 222443201129. The reversal of 222443201111 is 111102344222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222443201111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222443201161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6542447075 + ... + 6542447108.

It is an arithmetic number, because the mean of its divisors is an integer number (58882023828).

Almost surely, 2^222443201111 is an apocalyptic number.

222443201111 is a deficient number, since it is larger than the sum of its proper divisors (13084894201).

222443201111 is a wasteful number, since it uses less digits than its factorization.

222443201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13084894200.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 222443201111 its reverse (111102344222), we get a palindrome (333545545333).

The spelling of 222443201111 in words is "two hundred twenty-two billion, four hundred forty-three million, two hundred one thousand, one hundred eleven".