2140211 has 4 divisors (see below), whose sum is σ = 2145000. Its totient is φ = 2135424.

The previous prime is 2140207. The next prime is 2140223. The reversal of 2140211 is 1120412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2140211 - 2² = 2140207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140192 and 2140201.

It is not an unprimeable number, because it can be changed into a prime (2140231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646 + ... + 2643.

It is an arithmetic number, because the mean of its divisors is an integer number (536250).

2^2140211 is an apocalyptic number.

2140211 is a deficient number, since it is larger than the sum of its proper divisors (4789).

2140211 is an equidigital number, since it uses as much as digits as its factorization.

2140211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4788.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2140211 is about 1462.9460003705. The cubic root of 2140211 is about 128.8701094265.

Adding to 2140211 its reverse (1120412), we get a palindrome (3260623).

The spelling of 2140211 in words is "two million, one hundred forty thousand, two hundred eleven".