11220330211 has 4 divisors (see below), whose sum is σ = 11283013800. Its totient is φ = 11157646624.

The previous prime is 11220330151. The next prime is 11220330217. The reversal of 11220330211 is 11203302211.

11220330211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11220330211 - 2⁹ = 11220329699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220330217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31341526 + ... + 31341883.

It is an arithmetic number, because the mean of its divisors is an integer number (2820753450).

Almost surely, 2^11220330211 is an apocalyptic number.

11220330211 is a deficient number, since it is larger than the sum of its proper divisors (62683589).

11220330211 is an equidigital number, since it uses as much as digits as its factorization.

11220330211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62683588.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11220330211 its reverse (11203302211), we get a palindrome (22423632422).

The spelling of 11220330211 in words is "eleven billion, two hundred twenty million, three hundred thirty thousand, two hundred eleven".