2143211 has 12 divisors (see below), whose sum is σ = 2517120. Its totient is φ = 1819440.

The previous prime is 2143201. The next prime is 2143217. The reversal of 2143211 is 1123412.

It is not a de Polignac number, because 2143211 - 2⁶ = 2143147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9245 + ... + 9473.

It is an arithmetic number, because the mean of its divisors is an integer number (209760).

2^2143211 is an apocalyptic number.

2143211 is a deficient number, since it is larger than the sum of its proper divisors (373909).

2143211 is a wasteful number, since it uses less digits than its factorization.

2143211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 427 counting only the distinct ones).

The product of its digits is 48, while the sum is 14.

The square root of 2143211 is about 1463.9709696575. The cubic root of 2143211 is about 128.9302950542.

Adding to 2143211 its reverse (1123412), we get a palindrome (3266623).

The spelling of 2143211 in words is "two million, one hundred forty-three thousand, two hundred eleven".