204422132421321 has 32 divisors (see below), whose sum is σ = 286038191324160. Its totient is φ = 129612285426624.

The previous prime is 204422132421293. The next prime is 204422132421343. The reversal of 204422132421321 is 123124231224402.

It is not a de Polignac number, because 204422132421321 - 2²¹ = 204422130324169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204422132421421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16701226 + ... + 26225468.

It is an arithmetic number, because the mean of its divisors is an integer number (8938693478880).

Almost surely, 2^{204422132421321} is an apocalyptic number.

It is an amenable number.

204422132421321 is a deficient number, since it is larger than the sum of its proper divisors (81616058902839).

204422132421321 is a wasteful number, since it uses less digits than its factorization.

204422132421321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9526045.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 204422132421321 its reverse (123124231224402), we get a palindrome (327546363645723).

The spelling of 204422132421321 in words is "two hundred four trillion, four hundred twenty-two billion, one hundred thirty-two million, four hundred twenty-one thousand, three hundred twenty-one".