321012332222921 has 2 divisors, whose sum is σ = 321012332222922. Its totient is φ = 321012332222920.

The previous prime is 321012332222891. The next prime is 321012332222999. The reversal of 321012332222921 is 129222233210123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192669807108025 + 128342525114896 = 13880555^2 + 11328836^2 .

It is a cyclic number.

It is not a de Polignac number, because 321012332222921 - 2³⁴ = 320995152353737 is a prime.

It is not a weakly prime, because it can be changed into another prime (321012332222521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160506166111460 + 160506166111461.

It is an arithmetic number, because the mean of its divisors is an integer number (160506166111461).

Almost surely, 2^{321012332222921} is an apocalyptic number.

It is an amenable number.

321012332222921 is a deficient number, since it is larger than the sum of its proper divisors (1).

321012332222921 is an equidigital number, since it uses as much as digits as its factorization.

321012332222921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 321012332222921 in words is "three hundred twenty-one trillion, twelve billion, three hundred thirty-two million, two hundred twenty-two thousand, nine hundred twenty-one".