204302041332121 has 2 divisors, whose sum is σ = 204302041332122. Its totient is φ = 204302041332120.

The previous prime is 204302041332041. The next prime is 204302041332131. The reversal of 204302041332121 is 121233140203402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171176951738521 + 33125089593600 = 13083461^2 + 5755440^2 .

It is a cyclic number.

It is not a de Polignac number, because 204302041332121 - 2¹¹ = 204302041330073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204302041332121.

It is not a weakly prime, because it can be changed into another prime (204302041332131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102151020666060 + 102151020666061.

It is an arithmetic number, because the mean of its divisors is an integer number (102151020666061).

Almost surely, 2^{204302041332121} is an apocalyptic number.

It is an amenable number.

204302041332121 is a deficient number, since it is larger than the sum of its proper divisors (1).

204302041332121 is an equidigital number, since it uses as much as digits as its factorization.

204302041332121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 204302041332121 its reverse (121233140203402), we get a palindrome (325535181535523).

The spelling of 204302041332121 in words is "two hundred four trillion, three hundred two billion, forty-one million, three hundred thirty-two thousand, one hundred twenty-one".