12022210010221 has 2 divisors, whose sum is σ = 12022210010222. Its totient is φ = 12022210010220.

The previous prime is 12022210010203. The next prime is 12022210010273. The reversal of 12022210010221 is 12201001222021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7159964507721 + 4862245502500 = 2675811^2 + 2205050^2 .

It is an emirp because it is prime and its reverse (12201001222021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12022210010221 - 2¹⁹ = 12022209485933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12022210010195 and 12022210010204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022210010281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011105005110 + 6011105005111.

It is an arithmetic number, because the mean of its divisors is an integer number (6011105005111).

Almost surely, 2^{12022210010221} is an apocalyptic number.

It is an amenable number.

12022210010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022210010221 is an equidigital number, since it uses as much as digits as its factorization.

12022210010221 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 16.

Adding to 12022210010221 its reverse (12201001222021), we get a palindrome (24223211232242).

The spelling of 12022210010221 in words is "twelve trillion, twenty-two billion, two hundred ten million, ten thousand, two hundred twenty-one".