10871307221 has 2 divisors, whose sum is σ = 10871307222. Its totient is φ = 10871307220.

The previous prime is 10871307143. The next prime is 10871307263. The reversal of 10871307221 is 12270317801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7127580625 + 3743726596 = 84425^2 + 61186^2 .

It is a cyclic number.

It is not a de Polignac number, because 10871307221 - 2¹⁰ = 10871306197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10871307721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5435653610 + 5435653611.

It is an arithmetic number, because the mean of its divisors is an integer number (5435653611).

Almost surely, 2^10871307221 is an apocalyptic number.

It is an amenable number.

10871307221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10871307221 is an equidigital number, since it uses as much as digits as its factorization.

10871307221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 32.

The spelling of 10871307221 in words is "ten billion, eight hundred seventy-one million, three hundred seven thousand, two hundred twenty-one".