321404111121133 has 2 divisors, whose sum is σ = 321404111121134. Its totient is φ = 321404111121132.

The previous prime is 321404111121103. The next prime is 321404111121169. The reversal of 321404111121133 is 331121111404123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307648898845929 + 13755212275204 = 17539923^2 + 3708802^2 .

It is an emirp because it is prime and its reverse (331121111404123) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321404111121133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321404111121103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160702055560566 + 160702055560567.

It is an arithmetic number, because the mean of its divisors is an integer number (160702055560567).

Almost surely, 2^{321404111121133} is an apocalyptic number.

It is an amenable number.

321404111121133 is a deficient number, since it is larger than the sum of its proper divisors (1).

321404111121133 is an equidigital number, since it uses as much as digits as its factorization.

321404111121133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 321404111121133 its reverse (331121111404123), we get a palindrome (652525222525256).

The spelling of 321404111121133 in words is "three hundred twenty-one trillion, four hundred four billion, one hundred eleven million, one hundred twenty-one thousand, one hundred thirty-three".