222013021213 has 2 divisors, whose sum is σ = 222013021214. Its totient is φ = 222013021212.

The previous prime is 222013021187. The next prime is 222013021271. The reversal of 222013021213 is 312120310222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206358507289 + 15654513924 = 454267^2 + 125118^2 .

It is a cyclic number.

It is not a de Polignac number, because 222013021213 - 2¹³ = 222013013021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222013021913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111006510606 + 111006510607.

It is an arithmetic number, because the mean of its divisors is an integer number (111006510607).

Almost surely, 2^222013021213 is an apocalyptic number.

It is an amenable number.

222013021213 is a deficient number, since it is larger than the sum of its proper divisors (1).

222013021213 is an equidigital number, since it uses as much as digits as its factorization.

222013021213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 222013021213 its reverse (312120310222), we get a palindrome (534133331435).

The spelling of 222013021213 in words is "two hundred twenty-two billion, thirteen million, twenty-one thousand, two hundred thirteen".