2126211 has 8 divisors (see below), whose sum is σ = 2869440. Its totient is φ = 1400232.

The previous prime is 2126203. The next prime is 2126213. The reversal of 2126211 is 1126212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2126211 - 2³ = 2126203 is a prime.

2126211 is a lucky number.

It is a plaindrome in base 11.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2126213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4021 + ... + 4518.

It is an arithmetic number, because the mean of its divisors is an integer number (358680).

2^2126211 is an apocalyptic number.

2126211 is a deficient number, since it is larger than the sum of its proper divisors (743229).

2126211 is an equidigital number, since it uses as much as digits as its factorization.

2126211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8625.

The product of its digits is 48, while the sum is 15.

The square root of 2126211 is about 1458.1532841234. The cubic root of 2126211 is about 128.5884970285.

Subtracting from 2126211 its reverse (1126212), we obtain a palindrome (999999).

The spelling of 2126211 in words is "two million, one hundred twenty-six thousand, two hundred eleven".