22030021213 has 2 divisors, whose sum is σ = 22030021214. Its totient is φ = 22030021212.

The previous prime is 22030021193. The next prime is 22030021241. The reversal of 22030021213 is 31212003022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14601822244 + 7428198969 = 120838^2 + 86187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22030021213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22030024213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015010606 + 11015010607.

It is an arithmetic number, because the mean of its divisors is an integer number (11015010607).

Almost surely, 2^22030021213 is an apocalyptic number.

It is an amenable number.

22030021213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22030021213 is an equidigital number, since it uses as much as digits as its factorization.

22030021213 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 22030021213 its reverse (31212003022), we get a palindrome (53242024235).

The spelling of 22030021213 in words is "twenty-two billion, thirty million, twenty-one thousand, two hundred thirteen".