10003301221 has 2 divisors, whose sum is σ = 10003301222. Its totient is φ = 10003301220.

The previous prime is 10003301171. The next prime is 10003301251. The reversal of 10003301221 is 12210330001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8452044225 + 1551256996 = 91935^2 + 39386^2 .

It is an emirp because it is prime and its reverse (12210330001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10003301221 - 2¹³ = 10003293029 is a prime.

It is a super-3 number, since 3×10003301221³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10003301251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001650610 + 5001650611.

It is an arithmetic number, because the mean of its divisors is an integer number (5001650611).

Almost surely, 2^10003301221 is an apocalyptic number.

It is an amenable number.

10003301221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10003301221 is an equidigital number, since it uses as much as digits as its factorization.

10003301221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10003301221 its reverse (12210330001), we get a palindrome (22213631222).

The spelling of 10003301221 in words is "ten billion, three million, three hundred one thousand, two hundred twenty-one".