204442114021 has 2 divisors, whose sum is σ = 204442114022. Its totient is φ = 204442114020.

The previous prime is 204442113989. The next prime is 204442114033. The reversal of 204442114021 is 120411244402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112617963396 + 91824150625 = 335586^2 + 303025^2 .

It is a cyclic number.

It is not a de Polignac number, because 204442114021 - 2⁵ = 204442113989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204442114081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102221057010 + 102221057011.

It is an arithmetic number, because the mean of its divisors is an integer number (102221057011).

Almost surely, 2^204442114021 is an apocalyptic number.

It is an amenable number.

204442114021 is a deficient number, since it is larger than the sum of its proper divisors (1).

204442114021 is an equidigital number, since it uses as much as digits as its factorization.

204442114021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 204442114021 its reverse (120411244402), we get a palindrome (324853358423).

The spelling of 204442114021 in words is "two hundred four billion, four hundred forty-two million, one hundred fourteen thousand, twenty-one".