204221044414421 has 8 divisors (see below), whose sum is σ = 216430088793984. Its totient is φ = 192033782453440.

The previous prime is 204221044414381. The next prime is 204221044414423. The reversal of 204221044414421 is 124414440122402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204221044414421 - 2¹⁴ = 204221044398037 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 (204221044414423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5445585335 + ... + 5445622836.

It is an arithmetic number, because the mean of its divisors is an integer number (27053761099248).

Almost surely, 2^{204221044414421} is an apocalyptic number.

It is an amenable number.

204221044414421 is a deficient number, since it is larger than the sum of its proper divisors (12209044379563).

204221044414421 is a wasteful number, since it uses less digits than its factorization.

204221044414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10891209291.

The product of its (nonzero) digits is 65536, while the sum is 35.

Adding to 204221044414421 its reverse (124414440122402), we get a palindrome (328635484536823).

The spelling of 204221044414421 in words is "two hundred four trillion, two hundred twenty-one billion, forty-four million, four hundred fourteen thousand, four hundred twenty-one".