22222110221211 has 16 divisors (see below), whose sum is σ = 30011757465600. Its totient is φ = 14624150025408.

The previous prime is 22222110221209. The next prime is 22222110221221. The reversal of 22222110221211 is 11212201122222.

It is not a de Polignac number, because 22222110221211 - 2¹ = 22222110221209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22222110221221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68395491 + ... + 68719628.

It is an arithmetic number, because the mean of its divisors is an integer number (1875734841600).

Almost surely, 2^{22222110221211} is an apocalyptic number.

22222110221211 is a deficient number, since it is larger than the sum of its proper divisors (7789647244389).

22222110221211 is a wasteful number, since it uses less digits than its factorization.

22222110221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137115818.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22222110221211 its reverse (11212201122222), we get a palindrome (33434311343433).

The spelling of 22222110221211 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred ten million, two hundred twenty-one thousand, two hundred eleven".