322121334120401 has 4 divisors (see below), whose sum is σ = 322932722871732. Its totient is φ = 321309945369072.

The previous prime is 322121334120389. The next prime is 322121334120431. The reversal of 322121334120401 is 104021433121223.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92215227471376 + 229906106649025 = 9602876^2 + 15162655^2 .

It is a cyclic number.

It is not a de Polignac number, because 322121334120401 - 2¹⁸ = 322121333858257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322121334120431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405694375070 + ... + 405694375863.

It is an arithmetic number, because the mean of its divisors is an integer number (80733180717933).

Almost surely, 2^{322121334120401} is an apocalyptic number.

It is an amenable number.

322121334120401 is a deficient number, since it is larger than the sum of its proper divisors (811388751331).

322121334120401 is an equidigital number, since it uses as much as digits as its factorization.

322121334120401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811388751330.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 322121334120401 its reverse (104021433121223), we get a palindrome (426142767241624).

The spelling of 322121334120401 in words is "three hundred twenty-two trillion, one hundred twenty-one billion, three hundred thirty-four million, one hundred twenty thousand, four hundred one".