10002221320331 has 2 divisors, whose sum is σ = 10002221320332. Its totient is φ = 10002221320330.

The previous prime is 10002221320327. The next prime is 10002221320397. The reversal of 10002221320331 is 13302312220001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10002221320331 - 2² = 10002221320327 is a prime.

It is a super-2 number, since 2×10002221320331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10002221328331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001110660165 + 5001110660166.

It is an arithmetic number, because the mean of its divisors is an integer number (5001110660166).

Almost surely, 2^{10002221320331} is an apocalyptic number.

10002221320331 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002221320331 is an equidigital number, since it uses as much as digits as its factorization.

10002221320331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10002221320331 its reverse (13302312220001), we get a palindrome (23304533540332).

The spelling of 10002221320331 in words is "ten trillion, two billion, two hundred twenty-one million, three hundred twenty thousand, three hundred thirty-one".