2143020211 has 2 divisors, whose sum is σ = 2143020212. Its totient is φ = 2143020210.

The previous prime is 2143020149. The next prime is 2143020233. The reversal of 2143020211 is 1120203412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143020211 - 2²⁵ = 2109465779 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143020311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071510105 + 1071510106.

It is an arithmetic number, because the mean of its divisors is an integer number (1071510106).

Almost surely, 2^2143020211 is an apocalyptic number.

2143020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143020211 is an equidigital number, since it uses as much as digits as its factorization.

2143020211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2143020211 is about 46292.7662923701. The cubic root of 2143020211 is about 1289.2646914190.

Adding to 2143020211 its reverse (1120203412), we get a palindrome (3263223623).

The spelling of 2143020211 in words is "two billion, one hundred forty-three million, twenty thousand, two hundred eleven".