2162211213 has 4 divisors (see below), whose sum is σ = 2882948288. Its totient is φ = 1441474140.

The previous prime is 2162211211. The next prime is 2162211239. The reversal of 2162211213 is 3121122612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2162211213 - 2¹ = 2162211211 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 2162211213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162211211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360368533 + ... + 360368538.

It is an arithmetic number, because the mean of its divisors is an integer number (720737072).

Almost surely, 2^2162211213 is an apocalyptic number.

It is an amenable number.

2162211213 is a deficient number, since it is larger than the sum of its proper divisors (720737075).

2162211213 is an equidigital number, since it uses as much as digits as its factorization.

2162211213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720737074.

The product of its digits is 288, while the sum is 21.

The square root of 2162211213 is about 46499.5829336135. The cubic root of 2162211213 is about 1293.1017667318.

Adding to 2162211213 its reverse (3121122612), we get a palindrome (5283333825).

The spelling of 2162211213 in words is "two billion, one hundred sixty-two million, two hundred eleven thousand, two hundred thirteen".