130221299993 has 2 divisors, whose sum is σ = 130221299994. Its totient is φ = 130221299992.

The previous prime is 130221299987. The next prime is 130221300037. The reversal of 130221299993 is 399992122031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92642314384 + 37578985609 = 304372^2 + 193853^2 .

It is a cyclic number.

It is not a de Polignac number, because 130221299993 - 2⁴ = 130221299977 is a prime.

It is not a weakly prime, because it can be changed into another prime (130221299933) 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, 65110649996 + 65110649997.

It is an arithmetic number, because the mean of its divisors is an integer number (65110649997).

Almost surely, 2^130221299993 is an apocalyptic number.

It is an amenable number.

130221299993 is a deficient number, since it is larger than the sum of its proper divisors (1).

130221299993 is an equidigital number, since it uses as much as digits as its factorization.

130221299993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 50.

The spelling of 130221299993 in words is "one hundred thirty billion, two hundred twenty-one million, two hundred ninety-nine thousand, nine hundred ninety-three".