204221133210343 has 4 divisors (see below), whose sum is σ = 204310429729120. Its totient is φ = 204131836691568.

The previous prime is 204221133210323. The next prime is 204221133210371. The reversal of 204221133210343 is 343012331122402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204221133210343 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 (204221133210323) 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, 44648255958 + ... + 44648260531.

It is an arithmetic number, because the mean of its divisors is an integer number (51077607432280).

Almost surely, 2^{204221133210343} is an apocalyptic number.

204221133210343 is a deficient number, since it is larger than the sum of its proper divisors (89296518777).

204221133210343 is an equidigital number, since it uses as much as digits as its factorization.

204221133210343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89296518776.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 204221133210343 its reverse (343012331122402), we get a palindrome (547233464332745).

The spelling of 204221133210343 in words is "two hundred four trillion, two hundred twenty-one billion, one hundred thirty-three million, two hundred ten thousand, three hundred forty-three".