2143245211 has 2 divisors, whose sum is σ = 2143245212. Its totient is φ = 2143245210.

The previous prime is 2143245157. The next prime is 2143245229. The reversal of 2143245211 is 1125423412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143245211 - 2¹¹ = 2143243163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143245311) 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, 1071622605 + 1071622606.

It is an arithmetic number, because the mean of its divisors is an integer number (1071622606).

Almost surely, 2^2143245211 is an apocalyptic number.

2143245211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143245211 is an equidigital number, since it uses as much as digits as its factorization.

2143245211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 25.

The square root of 2143245211 is about 46295.1964138829. The cubic root of 2143245211 is about 1289.3098106705.

Adding to 2143245211 its reverse (1125423412), we get a palindrome (3268668623).

The spelling of 2143245211 in words is "two billion, one hundred forty-three million, two hundred forty-five thousand, two hundred eleven".