204121441122303 has 4 divisors (see below), whose sum is σ = 272161921496408. Its totient is φ = 136080960748200.

The previous prime is 204121441122281. The next prime is 204121441122451. The reversal of 204121441122303 is 303221144121402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 204121441122303 - 2⁶ = 204121441122239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204121441122103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34020240187048 + ... + 34020240187053.

It is an arithmetic number, because the mean of its divisors is an integer number (68040480374102).

Almost surely, 2^{204121441122303} is an apocalyptic number.

204121441122303 is a deficient number, since it is larger than the sum of its proper divisors (68040480374105).

204121441122303 is an equidigital number, since it uses as much as digits as its factorization.

204121441122303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68040480374104.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 204121441122303 its reverse (303221144121402), we get a palindrome (507342585243705).

The spelling of 204121441122303 in words is "two hundred four trillion, one hundred twenty-one billion, four hundred forty-one million, one hundred twenty-two thousand, three hundred three".