32121330421001 has 2 divisors, whose sum is σ = 32121330421002. Its totient is φ = 32121330421000.

The previous prime is 32121330420997. The next prime is 32121330421043. The reversal of 32121330421001 is 10012403312123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20832241135225 + 11289089285776 = 4564235^2 + 3359924^2 .

It is a cyclic number.

It is not a de Polignac number, because 32121330421001 - 2² = 32121330420997 is a prime.

It is not a weakly prime, because it can be changed into another prime (32121330421501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060665210500 + 16060665210501.

It is an arithmetic number, because the mean of its divisors is an integer number (16060665210501).

Almost surely, 2^{32121330421001} is an apocalyptic number.

It is an amenable number.

32121330421001 is a deficient number, since it is larger than the sum of its proper divisors (1).

32121330421001 is an equidigital number, since it uses as much as digits as its factorization.

32121330421001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 32121330421001 its reverse (10012403312123), we get a palindrome (42133733733124).

The spelling of 32121330421001 in words is "thirty-two trillion, one hundred twenty-one billion, three hundred thirty million, four hundred twenty-one thousand, one".