201024244321 has 2 divisors, whose sum is σ = 201024244322. Its totient is φ = 201024244320.

The previous prime is 201024244319. The next prime is 201024244339. The reversal of 201024244321 is 123442420102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180039824721 + 20984419600 = 424311^2 + 144860^2 .

It is a cyclic number.

It is not a de Polignac number, because 201024244321 - 2¹ = 201024244319 is a prime.

Together with 201024244319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (201024244381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100512122160 + 100512122161.

It is an arithmetic number, because the mean of its divisors is an integer number (100512122161).

Almost surely, 2^201024244321 is an apocalyptic number.

It is an amenable number.

201024244321 is a deficient number, since it is larger than the sum of its proper divisors (1).

201024244321 is an equidigital number, since it uses as much as digits as its factorization.

201024244321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 201024244321 its reverse (123442420102), we get a palindrome (324466664423).

The spelling of 201024244321 in words is "two hundred one billion, twenty-four million, two hundred forty-four thousand, three hundred twenty-one".