130244304202021 has 2 divisors, whose sum is σ = 130244304202022. Its totient is φ = 130244304202020.

The previous prime is 130244304201937. The next prime is 130244304202081. The reversal of 130244304202021 is 120202403442031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123759061337025 + 6485242864996 = 11124705^2 + 2546614^2 .

It is an emirp because it is prime and its reverse (120202403442031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130244304202021 - 2³⁵ = 130209944463653 is a prime.

It is a super-3 number, since 3×130244304202021³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130244304202081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65122152101010 + 65122152101011.

It is an arithmetic number, because the mean of its divisors is an integer number (65122152101011).

Almost surely, 2^{130244304202021} is an apocalyptic number.

It is an amenable number.

130244304202021 is a deficient number, since it is larger than the sum of its proper divisors (1).

130244304202021 is an equidigital number, since it uses as much as digits as its factorization.

130244304202021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 130244304202021 its reverse (120202403442031), we get a palindrome (250446707644052).

The spelling of 130244304202021 in words is "one hundred thirty trillion, two hundred forty-four billion, three hundred four million, two hundred two thousand, twenty-one".