130340044340221 has 2 divisors, whose sum is σ = 130340044340222. Its totient is φ = 130340044340220.

The previous prime is 130340044340117. The next prime is 130340044340279. The reversal of 130340044340221 is 122043440043031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121032694208196 + 9307350132025 = 11001486^2 + 3050795^2 .

It is a cyclic number.

It is not a de Polignac number, because 130340044340221 - 2⁹ = 130340044339709 is a prime.

It is a super-2 number, since 2×130340044340221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130340044340521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65170022170110 + 65170022170111.

It is an arithmetic number, because the mean of its divisors is an integer number (65170022170111).

Almost surely, 2^{130340044340221} is an apocalyptic number.

It is an amenable number.

130340044340221 is a deficient number, since it is larger than the sum of its proper divisors (1).

130340044340221 is an equidigital number, since it uses as much as digits as its factorization.

130340044340221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 130340044340221 its reverse (122043440043031), we get a palindrome (252383484383252).

The spelling of 130340044340221 in words is "one hundred thirty trillion, three hundred forty billion, forty-four million, three hundred forty thousand, two hundred twenty-one".