122321001321 has 6 divisors (see below), whose sum is σ = 176685890810. Its totient is φ = 81547334208.

The previous prime is 122321001287. The next prime is 122321001389. The reversal of 122321001321 is 123100123221.

122321001321 is a `hidden beast` number, since 1 + 22 + 321 + 0 + 0 + 1 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121340058921 + 980942400 = 348339^2 + 31320^2 .

It is not a de Polignac number, because 122321001321 - 2¹⁹ = 122320477033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122321001294 and 122321001303.

It is not an unprimeable number, because it can be changed into a prime (122321005321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6795611176 + ... + 6795611193.

Almost surely, 2^122321001321 is an apocalyptic number.

It is an amenable number.

122321001321 is a deficient number, since it is larger than the sum of its proper divisors (54364889489).

122321001321 is a wasteful number, since it uses less digits than its factorization.

122321001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13591222375 (or 13591222372 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 122321001321 its reverse (123100123221), we get a palindrome (245421124542).

The spelling of 122321001321 in words is "one hundred twenty-two billion, three hundred twenty-one million, one thousand, three hundred twenty-one".