2210220000221 has 2 divisors, whose sum is σ = 2210220000222. Its totient is φ = 2210220000220.

The previous prime is 2210220000217. The next prime is 2210220000223. The reversal of 2210220000221 is 1220000220122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1291373140996 + 918846859225 = 1136386^2 + 958565^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210220000221 - 2² = 2210220000217 is a prime.

Together with 2210220000223, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2210220000196 and 2210220000205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210220000223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105110000110 + 1105110000111.

It is an arithmetic number, because the mean of its divisors is an integer number (1105110000111).

Almost surely, 2^{2210220000221} is an apocalyptic number.

It is an amenable number.

2210220000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210220000221 is an equidigital number, since it uses as much as digits as its factorization.

2210220000221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2210220000221 its reverse (1220000220122), we get a palindrome (3430220220343).

The spelling of 2210220000221 in words is "two trillion, two hundred ten billion, two hundred twenty million, two hundred twenty-one", and thus it is an aban number.