2152211211 has 12 divisors (see below), whose sum is σ = 3159713440. Its totient is φ = 1411285680.

The previous prime is 2152211179. The next prime is 2152211219. The reversal of 2152211211 is 1121122512.

2152211211 is a `hidden beast` number, since 21 + 522 + 1 + 121 + 1 = 666.

It is not a de Polignac number, because 2152211211 - 2⁵ = 2152211179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152211219) 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, 1959571 + ... + 1960668.

Almost surely, 2^2152211211 is an apocalyptic number.

2152211211 is a deficient number, since it is larger than the sum of its proper divisors (1007502229).

2152211211 is a wasteful number, since it uses less digits than its factorization.

2152211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920306 (or 3920303 counting only the distinct ones).

The product of its digits is 80, while the sum is 18.

The square root of 2152211211 is about 46391.9304513188. The cubic root of 2152211211 is about 1291.1051985228.

Adding to 2152211211 its reverse (1121122512), we get a palindrome (3273333723).

The spelling of 2152211211 in words is "two billion, one hundred fifty-two million, two hundred eleven thousand, two hundred eleven".