321411240140121 has 12 divisors (see below), whose sum is σ = 464261159978772. Its totient is φ = 214273938658176.

The previous prime is 321411240140117. The next prime is 321411240140147. The reversal of 321411240140121 is 121041042114123.

321411240140121 is a `hidden beast` number, since 3 + 2 + 1 + 4 + 11 + 240 + 1 + 401 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 74744237975625 + 246667002164496 = 8645475^2 + 15705636^2 .

It is not a de Polignac number, because 321411240140121 - 2² = 321411240140117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321411240140021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9005596 + ... + 26905821.

It is an arithmetic number, because the mean of its divisors is an integer number (38688429998231).

Almost surely, 2^{321411240140121} is an apocalyptic number.

It is an amenable number.

321411240140121 is a deficient number, since it is larger than the sum of its proper divisors (142849919838651).

321411240140121 is a wasteful number, since it uses less digits than its factorization.

321411240140121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36905880 (or 36905877 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 321411240140121 its reverse (121041042114123), we get a palindrome (442452282254244).

The spelling of 321411240140121 in words is "three hundred twenty-one trillion, four hundred eleven billion, two hundred forty million, one hundred forty thousand, one hundred twenty-one".