222321312211 has 16 divisors (see below), whose sum is σ = 227639559168. Its totient is φ = 217082700000.

The previous prime is 222321312209. The next prime is 222321312251. The reversal of 222321312211 is 112213123222.

It is a cyclic number.

It is not a de Polignac number, because 222321312211 - 2¹ = 222321312209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222321312251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2363836 + ... + 2456086.

It is an arithmetic number, because the mean of its divisors is an integer number (14227472448).

Almost surely, 2^222321312211 is an apocalyptic number.

222321312211 is a deficient number, since it is larger than the sum of its proper divisors (5318246957).

222321312211 is a wasteful number, since it uses less digits than its factorization.

222321312211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92682.

The product of its digits is 576, while the sum is 22.

Adding to 222321312211 its reverse (112213123222), we get a palindrome (334534435433).

The spelling of 222321312211 in words is "two hundred twenty-two billion, three hundred twenty-one million, three hundred twelve thousand, two hundred eleven".