222221211011 has 2 divisors, whose sum is σ = 222221211012. Its totient is φ = 222221211010.

The previous prime is 222221211001. The next prime is 222221211013. The reversal of 222221211011 is 110112122222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222221211011 - 2¹⁴ = 222221194627 is a prime.

Together with 222221211013, 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 (222221211013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110605505 + 111110605506.

It is an arithmetic number, because the mean of its divisors is an integer number (111110605506).

Almost surely, 2^222221211011 is an apocalyptic number.

222221211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

222221211011 is an equidigital number, since it uses as much as digits as its factorization.

222221211011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222221211011 its reverse (110112122222), we get a palindrome (332333333233).

The spelling of 222221211011 in words is "two hundred twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, eleven".