300121002193 has 2 divisors, whose sum is σ = 300121002194. Its totient is φ = 300121002192.

The previous prime is 300121002191. The next prime is 300121002253. The reversal of 300121002193 is 391200121003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299534006209 + 586995984 = 547297^2 + 24228^2 .

It is an emirp because it is prime and its reverse (391200121003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 300121002193 - 2¹ = 300121002191 is a prime.

Together with 300121002191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (300121002191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150060501096 + 150060501097.

It is an arithmetic number, because the mean of its divisors is an integer number (150060501097).

Almost surely, 2^300121002193 is an apocalyptic number.

It is an amenable number.

300121002193 is a deficient number, since it is larger than the sum of its proper divisors (1).

300121002193 is an equidigital number, since it uses as much as digits as its factorization.

300121002193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 300121002193 its reverse (391200121003), we get a palindrome (691321123196).

The spelling of 300121002193 in words is "three hundred billion, one hundred twenty-one million, two thousand, one hundred ninety-three".