11223201211 has 2 divisors, whose sum is σ = 11223201212. Its totient is φ = 11223201210.

The previous prime is 11223201203. The next prime is 11223201221. The reversal of 11223201211 is 11210232211.

It is a weak prime.

It is an emirp because it is prime and its reverse (11210232211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11223201211 - 2³ = 11223201203 is a prime.

It is not a weakly prime, because it can be changed into another prime (11223201221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611600605 + 5611600606.

It is an arithmetic number, because the mean of its divisors is an integer number (5611600606).

Almost surely, 2^11223201211 is an apocalyptic number.

11223201211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223201211 is an equidigital number, since it uses as much as digits as its factorization.

11223201211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11223201211 its reverse (11210232211), we get a palindrome (22433433422).

The spelling of 11223201211 in words is "eleven billion, two hundred twenty-three million, two hundred one thousand, two hundred eleven".