130000021097 has 2 divisors, whose sum is σ = 130000021098. Its totient is φ = 130000021096.

The previous prime is 130000021093. The next prime is 130000021133. The reversal of 130000021097 is 790120000031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79487908096 + 50512113001 = 281936^2 + 224749^2 .

It is an emirp because it is prime and its reverse (790120000031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130000021097 - 2² = 130000021093 is a prime.

It is not a weakly prime, because it can be changed into another prime (130000021093) 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, 65000010548 + 65000010549.

It is an arithmetic number, because the mean of its divisors is an integer number (65000010549).

Almost surely, 2^130000021097 is an apocalyptic number.

It is an amenable number.

130000021097 is a deficient number, since it is larger than the sum of its proper divisors (1).

130000021097 is an equidigital number, since it uses as much as digits as its factorization.

130000021097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The spelling of 130000021097 in words is "one hundred thirty billion, twenty-one thousand, ninety-seven".