323210221012109 has 2 divisors, whose sum is σ = 323210221012110. Its totient is φ = 323210221012108.

The previous prime is 323210221012051. The next prime is 323210221012139. The reversal of 323210221012109 is 901210122012323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196312744657225 + 126897476354884 = 14011165^2 + 11264878^2 .

It is an emirp because it is prime and its reverse (901210122012323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323210221012109 - 2¹² = 323210221008013 is a prime.

It is a super-2 number, since 2×323210221012109² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323210221012139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161605110506054 + 161605110506055.

It is an arithmetic number, because the mean of its divisors is an integer number (161605110506055).

Almost surely, 2^{323210221012109} is an apocalyptic number.

It is an amenable number.

323210221012109 is a deficient number, since it is larger than the sum of its proper divisors (1).

323210221012109 is an equidigital number, since it uses as much as digits as its factorization.

323210221012109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 323210221012109 in words is "three hundred twenty-three trillion, two hundred ten billion, two hundred twenty-one million, twelve thousand, one hundred nine".