2002241321 has 2 divisors, whose sum is σ = 2002241322. Its totient is φ = 2002241320.

The previous prime is 2002241309. The next prime is 2002241341. The reversal of 2002241321 is 1231422002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1585632400 + 416608921 = 39820^2 + 20411^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002241321 - 2⁶ = 2002241257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002241321.

It is not a weakly prime, because it can be changed into another prime (2002241341) 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, 1001120660 + 1001120661.

It is an arithmetic number, because the mean of its divisors is an integer number (1001120661).

Almost surely, 2^2002241321 is an apocalyptic number.

It is an amenable number.

2002241321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002241321 is an equidigital number, since it uses as much as digits as its factorization.

2002241321 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.

The square root of 2002241321 is about 44746.4112639215. The cubic root of 2002241321 is about 1260.3915221100.

Adding to 2002241321 its reverse (1231422002), we get a palindrome (3233663323).

The spelling of 2002241321 in words is "two billion, two million, two hundred forty-one thousand, three hundred twenty-one".