2143213211 has 2 divisors, whose sum is σ = 2143213212. Its totient is φ = 2143213210.

The previous prime is 2143213153. The next prime is 2143213249. The reversal of 2143213211 is 1123123412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143213211 - 2⁶ = 2143213147 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143218211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071606605 + 1071606606.

It is an arithmetic number, because the mean of its divisors is an integer number (1071606606).

Almost surely, 2^2143213211 is an apocalyptic number.

2143213211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143213211 is an equidigital number, since it uses as much as digits as its factorization.

2143213211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 2143213211 is about 46294.8508043821. The cubic root of 2143213211 is about 1289.3033939029.

Adding to 2143213211 its reverse (1123123412), we get a palindrome (3266336623).

It can be divided in two parts, 21432 and 13211, that added together give a palindrome (34643).

The spelling of 2143213211 in words is "two billion, one hundred forty-three million, two hundred thirteen thousand, two hundred eleven".