371066021321 has 2 divisors, whose sum is σ = 371066021322. Its totient is φ = 371066021320.

The previous prime is 371066021311. The next prime is 371066021329. The reversal of 371066021321 is 123120660173.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241635166096 + 129430855225 = 491564^2 + 359765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-371066021321 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (371066021329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185533010660 + 185533010661.

It is an arithmetic number, because the mean of its divisors is an integer number (185533010661).

Almost surely, 2^371066021321 is an apocalyptic number.

It is an amenable number.

371066021321 is a deficient number, since it is larger than the sum of its proper divisors (1).

371066021321 is an equidigital number, since it uses as much as digits as its factorization.

371066021321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

Adding to 371066021321 its reverse (123120660173), we get a palindrome (494186681494).

The spelling of 371066021321 in words is "three hundred seventy-one billion, sixty-six million, twenty-one thousand, three hundred twenty-one".