22222211022211 has 2 divisors, whose sum is σ = 22222211022212. Its totient is φ = 22222211022210.

The previous prime is 22222211022163. The next prime is 22222211022223. The reversal of 22222211022211 is 11222011222222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22222211022211 - 2²⁵ = 22222177467779 is a prime.

It is not a weakly prime, because it can be changed into another prime (22222211122211) 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 as a sum of consecutive naturals, namely, 11111105511105 + 11111105511106.

It is an arithmetic number, because the mean of its divisors is an integer number (11111105511106).

Almost surely, 2^{22222211022211} is an apocalyptic number.

22222211022211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222211022211 is an equidigital number, since it uses as much as digits as its factorization.

22222211022211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22222211022211 its reverse (11222011222222), we get a palindrome (33444222244433).

The spelling of 22222211022211 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred eleven million, twenty-two thousand, two hundred eleven".