222021122323211 has 2 divisors, whose sum is σ = 222021122323212. Its totient is φ = 222021122323210.

The previous prime is 222021122323181. The next prime is 222021122323213. The reversal of 222021122323211 is 112323221120222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222021122323211 - 2²⁶ = 222021055214347 is a prime.

Together with 222021122323213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222021122323213) 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, 111010561161605 + 111010561161606.

It is an arithmetic number, because the mean of its divisors is an integer number (111010561161606).

Almost surely, 2^{222021122323211} is an apocalyptic number.

222021122323211 is a deficient number, since it is larger than the sum of its proper divisors (1).

222021122323211 is an equidigital number, since it uses as much as digits as its factorization.

222021122323211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 222021122323211 its reverse (112323221120222), we get a palindrome (334344343443433).

The spelling of 222021122323211 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred twenty-two million, three hundred twenty-three thousand, two hundred eleven".