213221213339 has 2 divisors, whose sum is σ = 213221213340. Its totient is φ = 213221213338.

The previous prime is 213221213327. The next prime is 213221213341. The reversal of 213221213339 is 933312122312.

213221213339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213221213339 is a prime.

Together with 213221213341, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213221213369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106610606669 + 106610606670.

It is an arithmetic number, because the mean of its divisors is an integer number (106610606670).

Almost surely, 2^213221213339 is an apocalyptic number.

213221213339 is a deficient number, since it is larger than the sum of its proper divisors (1).

213221213339 is an equidigital number, since it uses as much as digits as its factorization.

213221213339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The spelling of 213221213339 in words is "two hundred thirteen billion, two hundred twenty-one million, two hundred thirteen thousand, three hundred thirty-nine".