11216211 has 8 divisors (see below), whose sum is σ = 14992320. Its totient is φ = 7458792.

The previous prime is 11216201. The next prime is 11216239. The reversal of 11216211 is 11261211.

It is a happy number.

11216211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11216211 - 2⁶ = 11216147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11216201) 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, 3205 + ... + 5718.

It is an arithmetic number, because the mean of its divisors is an integer number (1874040).

Almost surely, 2^11216211 is an apocalyptic number.

11216211 is a deficient number, since it is larger than the sum of its proper divisors (3776109).

11216211 is an equidigital number, since it uses as much as digits as its factorization.

11216211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9345.

The product of its digits is 24, while the sum is 15.

The square root of 11216211 is about 3349.0612117428. The cubic root of 11216211 is about 223.8456832010.

Adding to 11216211 its reverse (11261211), we get a palindrome (22477422).

The spelling of 11216211 in words is "eleven million, two hundred sixteen thousand, two hundred eleven".