2221210211 has 16 divisors (see below), whose sum is σ = 2531001600. Its totient is φ = 1929570720.

The previous prime is 2221210163. The next prime is 2221210213. The reversal of 2221210211 is 1120121222.

It is not a de Polignac number, because 2221210211 - 2²² = 2217015907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221210213) 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, 290465 + ... + 298013.

It is an arithmetic number, because the mean of its divisors is an integer number (158187600).

Almost surely, 2^2221210211 is an apocalyptic number.

2221210211 is a deficient number, since it is larger than the sum of its proper divisors (309791389).

2221210211 is a wasteful number, since it uses less digits than its factorization.

2221210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8746.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2221210211 is about 47129.7168567773. The cubic root of 2221210211 is about 1304.7577558116.

Adding to 2221210211 its reverse (1120121222), we get a palindrome (3341331433).

It can be divided in two parts, 22212 and 10211, that added together give a palindrome (32423).

The spelling of 2221210211 in words is "two billion, two hundred twenty-one million, two hundred ten thousand, two hundred eleven".