2220122211 has 16 divisors (see below), whose sum is σ = 3043409664. Its totient is φ = 1438543584.

The previous prime is 2220122189. The next prime is 2220122213. The reversal of 2220122211 is 1122210222.

It is not a de Polignac number, because 2220122211 - 2⁶ = 2220122147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2220122213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98940 + ... + 119286.

It is an arithmetic number, because the mean of its divisors is an integer number (190213104).

Almost surely, 2^2220122211 is an apocalyptic number.

2220122211 is a deficient number, since it is larger than the sum of its proper divisors (823287453).

2220122211 is a wasteful number, since it uses less digits than its factorization.

2220122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21370.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2220122211 is about 47118.1728317217. The cubic root of 2220122211 is about 1304.5446875370.

Adding to 2220122211 its reverse (1122210222), we get a palindrome (3342332433).

The spelling of 2220122211 in words is "two billion, two hundred twenty million, one hundred twenty-two thousand, two hundred eleven".