11272211 has 2 divisors, whose sum is σ = 11272212. Its totient is φ = 11272210.

The previous prime is 11272193. The next prime is 11272229. The reversal of 11272211 is 11227211.

It is a balanced prime because it is at equal distance from previous prime (11272193) and next prime (11272229).

It is an emirp because it is prime and its reverse (11227211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11272211 - 2²² = 7077907 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11272211.

It is not a weakly prime, because it can be changed into another prime (11272291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5636105 + 5636106.

It is an arithmetic number, because the mean of its divisors is an integer number (5636106).

Almost surely, 2^11272211 is an apocalyptic number.

11272211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11272211 is an equidigital number, since it uses as much as digits as its factorization.

11272211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56, while the sum is 17.

The square root of 11272211 is about 3357.4113540047. The cubic root of 11272211 is about 224.2176018423.

Adding to 11272211 its reverse (11227211), we get a palindrome (22499422).

The spelling of 11272211 in words is "eleven million, two hundred seventy-two thousand, two hundred eleven".