204024112321 has 2 divisors, whose sum is σ = 204024112322. Its totient is φ = 204024112320.

The previous prime is 204024112241. The next prime is 204024112343. The reversal of 204024112321 is 123211420402.

It is an a-pointer prime, because the next prime (204024112343) can be obtained adding 204024112321 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182127511696 + 21896600625 = 426764^2 + 147975^2 .

It is a cyclic number.

It is not a de Polignac number, because 204024112321 - 2³¹ = 201876628673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204024112292 and 204024112301.

It is not a weakly prime, because it can be changed into another prime (204024112361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102012056160 + 102012056161.

It is an arithmetic number, because the mean of its divisors is an integer number (102012056161).

Almost surely, 2^204024112321 is an apocalyptic number.

It is an amenable number.

204024112321 is a deficient number, since it is larger than the sum of its proper divisors (1).

204024112321 is an equidigital number, since it uses as much as digits as its factorization.

204024112321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 204024112321 its reverse (123211420402), we get a palindrome (327235532723).

The spelling of 204024112321 in words is "two hundred four billion, twenty-four million, one hundred twelve thousand, three hundred twenty-one".