10302041301221 has 2 divisors, whose sum is σ = 10302041301222. Its totient is φ = 10302041301220.

The previous prime is 10302041301187. The next prime is 10302041301259. The reversal of 10302041301221 is 12210314020301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9920994357121 + 381046944100 = 3149761^2 + 617290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10302041301221 is a prime.

It is a super-2 number, since 2×10302041301221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10302041301193 and 10302041301202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10302040301221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151020650610 + 5151020650611.

It is an arithmetic number, because the mean of its divisors is an integer number (5151020650611).

Almost surely, 2^{10302041301221} is an apocalyptic number.

It is an amenable number.

10302041301221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10302041301221 is an equidigital number, since it uses as much as digits as its factorization.

10302041301221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10302041301221 its reverse (12210314020301), we get a palindrome (22512355321522).

The spelling of 10302041301221 in words is "ten trillion, three hundred two billion, forty-one million, three hundred one thousand, two hundred twenty-one".