21222022000211 has 2 divisors, whose sum is σ = 21222022000212. Its totient is φ = 21222022000210.

The previous prime is 21222022000199. The next prime is 21222022000237. The reversal of 21222022000211 is 11200022022212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21222022000211 - 2³⁰ = 21220948258387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21222022000211.

It is not a weakly prime, because it can be changed into another prime (21222022000111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10611011000105 + 10611011000106.

It is an arithmetic number, because the mean of its divisors is an integer number (10611011000106).

Almost surely, 2^{21222022000211} is an apocalyptic number.

21222022000211 is a deficient number, since it is larger than the sum of its proper divisors (1).

21222022000211 is an equidigital number, since it uses as much as digits as its factorization.

21222022000211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 21222022000211 its reverse (11200022022212), we get a palindrome (32422044022423).

The spelling of 21222022000211 in words is "twenty-one trillion, two hundred twenty-two billion, twenty-two million, two hundred eleven", and thus it is an aban number.