8801571203221 has 2 divisors, whose sum is σ = 8801571203222. Its totient is φ = 8801571203220.

The previous prime is 8801571203099. The next prime is 8801571203303. The reversal of 8801571203221 is 1223021751088.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8060000492196 + 741570711025 = 2839014^2 + 861145^2 .

It is a cyclic number.

It is not a de Polignac number, because 8801571203221 - 2⁷ = 8801571203093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8801571204221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4400785601610 + 4400785601611.

It is an arithmetic number, because the mean of its divisors is an integer number (4400785601611).

Almost surely, 2^{8801571203221} is an apocalyptic number.

It is an amenable number.

8801571203221 is a deficient number, since it is larger than the sum of its proper divisors (1).

8801571203221 is an equidigital number, since it uses as much as digits as its factorization.

8801571203221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 8801571203221 in words is "eight trillion, eight hundred one billion, five hundred seventy-one million, two hundred three thousand, two hundred twenty-one".