210011221000211 has 2 divisors, whose sum is σ = 210011221000212. Its totient is φ = 210011221000210.

The previous prime is 210011221000193. The next prime is 210011221000249. The reversal of 210011221000211 is 112000122110012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210011221000211 is a prime.

It is not a weakly prime, because it can be changed into another prime (210011221000411) 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 as a sum of consecutive naturals, namely, 105005610500105 + 105005610500106.

It is an arithmetic number, because the mean of its divisors is an integer number (105005610500106).

Almost surely, 2^{210011221000211} is an apocalyptic number.

210011221000211 is a deficient number, since it is larger than the sum of its proper divisors (1).

210011221000211 is an equidigital number, since it uses as much as digits as its factorization.

210011221000211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210011221000211 its reverse (112000122110012), we get a palindrome (322011343110223).

The spelling of 210011221000211 in words is "two hundred ten trillion, eleven billion, two hundred twenty-one million, two hundred eleven", and thus it is an aban number.