11220030211 has 4 divisors (see below), whose sum is σ = 12083109472. Its totient is φ = 10356950952.

The previous prime is 11220030203. The next prime is 11220030281. The reversal of 11220030211 is 11203002211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11203002211 = 70981 ⋅157831.

It is a cyclic number.

It is not a de Polignac number, because 11220030211 - 2³ = 11220030203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 863079247 = 11220030211 / (1 + 1 + 2 + 2 + 0 + 0 + 3 + 0 + 2 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220030191 and 11220030200.

It is not an unprimeable number, because it can be changed into a prime (11220030281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431539611 + ... + 431539636.

It is an arithmetic number, because the mean of its divisors is an integer number (3020777368).

Almost surely, 2^11220030211 is an apocalyptic number.

11220030211 is a deficient number, since it is larger than the sum of its proper divisors (863079261).

11220030211 is an equidigital number, since it uses as much as digits as its factorization.

11220030211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863079260.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11220030211 its reverse (11203002211), we get a palindrome (22423032422).

The spelling of 11220030211 in words is "eleven billion, two hundred twenty million, thirty thousand, two hundred eleven".