11221000211 has 2 divisors, whose sum is σ = 11221000212. Its totient is φ = 11221000210.

The previous prime is 11221000181. The next prime is 11221000237. The reversal of 11221000211 is 11200012211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221000211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11221000192 and 11221000201.

It is not a weakly prime, because it can be changed into another prime (11221000261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610500105 + 5610500106.

It is an arithmetic number, because the mean of its divisors is an integer number (5610500106).

Almost surely, 2^11221000211 is an apocalyptic number.

11221000211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221000211 is an equidigital number, since it uses as much as digits as its factorization.

11221000211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11221000211 its reverse (11200012211), we get a palindrome (22421012422).

The spelling of 11221000211 in words is "eleven billion, two hundred twenty-one million, two hundred eleven", and thus it is an aban number.