2133220211 has 4 divisors (see below), whose sum is σ = 2140812024. Its totient is φ = 2125628400.

The previous prime is 2133220189. The next prime is 2133220241. The reversal of 2133220211 is 1120223312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2133220211 - 2⁶ = 2133220147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2133220211.

It is not an unprimeable number, because it can be changed into a prime (2133220241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3795485 + ... + 3796046.

It is an arithmetic number, because the mean of its divisors is an integer number (535203006).

Almost surely, 2^2133220211 is an apocalyptic number.

2133220211 is a deficient number, since it is larger than the sum of its proper divisors (7591813).

2133220211 is an equidigital number, since it uses as much as digits as its factorization.

2133220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591812.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2133220211 is about 46186.7969337559. The cubic root of 2133220211 is about 1287.2964252361.

Adding to 2133220211 its reverse (1120223312), we get a palindrome (3253443523).

The spelling of 2133220211 in words is "two billion, one hundred thirty-three million, two hundred twenty thousand, two hundred eleven".