22211333213 has 2 divisors, whose sum is σ = 22211333214. Its totient is φ = 22211333212.

The previous prime is 22211333201. The next prime is 22211333233. The reversal of 22211333213 is 31233311222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19993111609 + 2218221604 = 141397^2 + 47098^2 .

It is a cyclic number.

It is not a de Polignac number, because 22211333213 - 2¹⁰ = 22211332189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22211333233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105666606 + 11105666607.

It is an arithmetic number, because the mean of its divisors is an integer number (11105666607).

Almost surely, 2^22211333213 is an apocalyptic number.

It is an amenable number.

22211333213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211333213 is an equidigital number, since it uses as much as digits as its factorization.

22211333213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

Adding to 22211333213 its reverse (31233311222), we get a palindrome (53444644435).

The spelling of 22211333213 in words is "twenty-two billion, two hundred eleven million, three hundred thirty-three thousand, two hundred thirteen".