22112333221213 has 2 divisors, whose sum is σ = 22112333221214. Its totient is φ = 22112333221212.

The previous prime is 22112333221211. The next prime is 22112333221219. The reversal of 22112333221213 is 31212233321122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14649503636089 + 7462829585124 = 3827467^2 + 2731818^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112333221213 - 2¹ = 22112333221211 is a prime.

Together with 22112333221211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22112333221211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056166610606 + 11056166610607.

It is an arithmetic number, because the mean of its divisors is an integer number (11056166610607).

Almost surely, 2^{22112333221213} is an apocalyptic number.

It is an amenable number.

22112333221213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112333221213 is an equidigital number, since it uses as much as digits as its factorization.

22112333221213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

Adding to 22112333221213 its reverse (31212233321122), we get a palindrome (53324566542335).

Subtracting 22112333221213 from its reverse (31212233321122), we obtain a palindrome (9099900099909).

The spelling of 22112333221213 in words is "twenty-two trillion, one hundred twelve billion, three hundred thirty-three million, two hundred twenty-one thousand, two hundred thirteen".