323221212011 has 2 divisors, whose sum is σ = 323221212012. Its totient is φ = 323221212010.

The previous prime is 323221211977. The next prime is 323221212019. The reversal of 323221212011 is 110212122323.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323221212011 is a prime.

It is not a weakly prime, because it can be changed into another prime (323221212019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161610606005 + 161610606006.

It is an arithmetic number, because the mean of its divisors is an integer number (161610606006).

Almost surely, 2^323221212011 is an apocalyptic number.

323221212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

323221212011 is an equidigital number, since it uses as much as digits as its factorization.

323221212011 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 20.

Adding to 323221212011 its reverse (110212122323), we get a palindrome (433433334334).

The spelling of 323221212011 in words is "three hundred twenty-three billion, two hundred twenty-one million, two hundred twelve thousand, eleven".