201002222321 has 2 divisors, whose sum is σ = 201002222322. Its totient is φ = 201002222320.

The previous prime is 201002222273. The next prime is 201002222419. The reversal of 201002222321 is 123222200102.

201002222321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200309953600 + 692268721 = 447560^2 + 26311^2 .

It is a cyclic number.

It is not a de Polignac number, because 201002222321 - 2⁶ = 201002222257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201002222321.

It is not a weakly prime, because it can be changed into another prime (201002222021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100501111160 + 100501111161.

It is an arithmetic number, because the mean of its divisors is an integer number (100501111161).

Almost surely, 2^201002222321 is an apocalyptic number.

It is an amenable number.

201002222321 is a deficient number, since it is larger than the sum of its proper divisors (1).

201002222321 is an equidigital number, since it uses as much as digits as its factorization.

201002222321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 201002222321 its reverse (123222200102), we get a palindrome (324224422423).

The spelling of 201002222321 in words is "two hundred one billion, two million, two hundred twenty-two thousand, three hundred twenty-one".