10012200221 has 2 divisors, whose sum is σ = 10012200222. Its totient is φ = 10012200220.

The previous prime is 10012200217. The next prime is 10012200227. The reversal of 10012200221 is 12200221001.

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., 9977212996 + 34987225 = 99886^2 + 5915^2 .

It is an emirp because it is prime and its reverse (12200221001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10012200221 - 2² = 10012200217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012200227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006100110 + 5006100111.

It is an arithmetic number, because the mean of its divisors is an integer number (5006100111).

Almost surely, 2^10012200221 is an apocalyptic number.

It is an amenable number.

10012200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012200221 is an equidigital number, since it uses as much as digits as its factorization.

10012200221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10012200221 its reverse (12200221001), we get a palindrome (22212421222).

The spelling of 10012200221 in words is "ten billion, twelve million, two hundred thousand, two hundred twenty-one".