220022122211 has 2 divisors, whose sum is σ = 220022122212. Its totient is φ = 220022122210.

The previous prime is 220022122207. The next prime is 220022122237. The reversal of 220022122211 is 112221220022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220022122211 - 2² = 220022122207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220022122211.

It is not a weakly prime, because it can be changed into another prime (220022122261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110011061105 + 110011061106.

It is an arithmetic number, because the mean of its divisors is an integer number (110011061106).

Almost surely, 2^220022122211 is an apocalyptic number.

220022122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

220022122211 is an equidigital number, since it uses as much as digits as its factorization.

220022122211 is an odious number, because the sum of its binary digits is odd.

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

Adding to 220022122211 its reverse (112221220022), we get a palindrome (332243342233).

The spelling of 220022122211 in words is "two hundred twenty billion, twenty-two million, one hundred twenty-two thousand, two hundred eleven".