10010110208221 has 2 divisors, whose sum is σ = 10010110208222. Its totient is φ = 10010110208220.

The previous prime is 10010110208209. The next prime is 10010110208257. The reversal of 10010110208221 is 12280201101001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5094112196196 + 4915998012025 = 2257014^2 + 2217205^2 .

It is a cyclic number.

It is not a de Polignac number, because 10010110208221 - 2¹⁵ = 10010110175453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10010110208261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005055104110 + 5005055104111.

It is an arithmetic number, because the mean of its divisors is an integer number (5005055104111).

Almost surely, 2^{10010110208221} is an apocalyptic number.

It is an amenable number.

10010110208221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010110208221 is an equidigital number, since it uses as much as digits as its factorization.

10010110208221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 10010110208221 its reverse (12280201101001), we get a palindrome (22290311309222).

The spelling of 10010110208221 in words is "ten trillion, ten billion, one hundred ten million, two hundred eight thousand, two hundred twenty-one".