12222130010221 has 2 divisors, whose sum is σ = 12222130010222. Its totient is φ = 12222130010220.

The previous prime is 12222130010201. The next prime is 12222130010273. The reversal of 12222130010221 is 12201003122221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11884470232996 + 337659777225 = 3447386^2 + 581085^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222130010221 - 2³¹ = 12219982526573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222130010201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111065005110 + 6111065005111.

It is an arithmetic number, because the mean of its divisors is an integer number (6111065005111).

Almost surely, 2^{12222130010221} is an apocalyptic number.

It is an amenable number.

12222130010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222130010221 is an equidigital number, since it uses as much as digits as its factorization.

12222130010221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12222130010221 its reverse (12201003122221), we get a palindrome (24423133132442).

The spelling of 12222130010221 in words is "twelve trillion, two hundred twenty-two billion, one hundred thirty million, ten thousand, two hundred twenty-one".