2105440211 has 16 divisors (see below), whose sum is σ = 2454776064. Its totient is φ = 1768332384.

The previous prime is 2105440199. The next prime is 2105440213. The reversal of 2105440211 is 1120445012.

It is a happy number.

It is not a de Polignac number, because 2105440211 - 2¹⁰ = 2105439187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105440213) 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 in 15 ways as a sum of consecutive naturals, for example, 324380 + ... + 330806.

It is an arithmetic number, because the mean of its divisors is an integer number (153423504).

Almost surely, 2^2105440211 is an apocalyptic number.

2105440211 is a deficient number, since it is larger than the sum of its proper divisors (349335853).

2105440211 is an equidigital number, since it uses as much as digits as its factorization.

2105440211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2105440211 is about 45885.0761250322. The cubic root of 2105440211 is about 1281.6840242967.

Adding to 2105440211 its reverse (1120445012), we get a palindrome (3225885223).

The spelling of 2105440211 in words is "two billion, one hundred five million, four hundred forty thousand, two hundred eleven".