22030201321 has 2 divisors, whose sum is σ = 22030201322. Its totient is φ = 22030201320.

The previous prime is 22030201283. The next prime is 22030201363. The reversal of 22030201321 is 12310203022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21509448921 + 520752400 = 146661^2 + 22820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22030201321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22030201295 and 22030201304.

It is not a weakly prime, because it can be changed into another prime (22030204321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015100660 + 11015100661.

It is an arithmetic number, because the mean of its divisors is an integer number (11015100661).

Almost surely, 2^22030201321 is an apocalyptic number.

It is an amenable number.

22030201321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22030201321 is an equidigital number, since it uses as much as digits as its factorization.

22030201321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22030201321 its reverse (12310203022), we get a palindrome (34340404343).

The spelling of 22030201321 in words is "twenty-two billion, thirty million, two hundred one thousand, three hundred twenty-one".