10000012332221 has 2 divisors, whose sum is σ = 10000012332222. Its totient is φ = 10000012332220.

The previous prime is 10000012332187. The next prime is 10000012332239. The reversal of 10000012332221 is 12223321000001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9898958280121 + 101054052100 = 3146261^2 + 317890^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000012332221 - 2¹⁴ = 10000012315837 is a prime.

It is a super-3 number, since 3×10000012332221³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10000012332221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000012332281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000006166110 + 5000006166111.

It is an arithmetic number, because the mean of its divisors is an integer number (5000006166111).

Almost surely, 2^{10000012332221} is an apocalyptic number.

It is an amenable number.

10000012332221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000012332221 is an equidigital number, since it uses as much as digits as its factorization.

10000012332221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10000012332221 its reverse (12223321000001), we get a palindrome (22223333332222).

The spelling of 10000012332221 in words is "ten trillion, twelve million, three hundred thirty-two thousand, two hundred twenty-one".