30536643112121 has 2 divisors, whose sum is σ = 30536643112122. Its totient is φ = 30536643112120.

The previous prime is 30536643112093. The next prime is 30536643112163. The reversal of 30536643112121 is 12121134663503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23254201152121 + 7282441960000 = 4822261^2 + 2698600^2 .

It is an emirp because it is prime and its reverse (12121134663503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30536643112121 - 2²⁶ = 30536576003257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30536643142121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15268321556060 + 15268321556061.

It is an arithmetic number, because the mean of its divisors is an integer number (15268321556061).

Almost surely, 2^{30536643112121} is an apocalyptic number.

It is an amenable number.

30536643112121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30536643112121 is an equidigital number, since it uses as much as digits as its factorization.

30536643112121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

Adding to 30536643112121 its reverse (12121134663503), we get a palindrome (42657777775624).

The spelling of 30536643112121 in words is "thirty trillion, five hundred thirty-six billion, six hundred forty-three million, one hundred twelve thousand, one hundred twenty-one".