220101222211 has 16 divisors (see below), whose sum is σ = 247360861440. Its totient is φ = 194318768160.

The previous prime is 220101222199. The next prime is 220101222217. The reversal of 220101222211 is 112222101022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220101222211 - 2⁷ = 220101222083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220101222217) 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, 3958360 + ... + 4013578.

It is an arithmetic number, because the mean of its divisors is an integer number (15460053840).

Almost surely, 2^220101222211 is an apocalyptic number.

220101222211 is a deficient number, since it is larger than the sum of its proper divisors (27259639229).

220101222211 is a wasteful number, since it uses less digits than its factorization.

220101222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68586.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220101222211 its reverse (112222101022), we get a palindrome (332323323233).

The spelling of 220101222211 in words is "two hundred twenty billion, one hundred one million, two hundred twenty-two thousand, two hundred eleven".