222004201211 has 4 divisors (see below), whose sum is σ = 239081447472. Its totient is φ = 204926954952.

The previous prime is 222004201171. The next prime is 222004201231. The reversal of 222004201211 is 112102400222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112102400222 = 2 ⋅56051200111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222004201211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222004201211.

It is not an unprimeable number, because it can be changed into a prime (222004201231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8538623111 + ... + 8538623136.

It is an arithmetic number, because the mean of its divisors is an integer number (59770361868).

Almost surely, 2^222004201211 is an apocalyptic number.

222004201211 is a deficient number, since it is larger than the sum of its proper divisors (17077246261).

222004201211 is a wasteful number, since it uses less digits than its factorization.

222004201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17077246260.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222004201211 its reverse (112102400222), we get a palindrome (334106601433).

The spelling of 222004201211 in words is "two hundred twenty-two billion, four million, two hundred one thousand, two hundred eleven".