2071326221 has 2 divisors, whose sum is σ = 2071326222. Its totient is φ = 2071326220.

The previous prime is 2071326199. The next prime is 2071326227. The reversal of 2071326221 is 1226231702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1746822025 + 324504196 = 41795^2 + 18014^2 .

It is a cyclic number.

It is not a de Polignac number, because 2071326221 - 2¹⁰ = 2071325197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2071326227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035663110 + 1035663111.

It is an arithmetic number, because the mean of its divisors is an integer number (1035663111).

Almost surely, 2^2071326221 is an apocalyptic number.

It is an amenable number.

2071326221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071326221 is an equidigital number, since it uses as much as digits as its factorization.

2071326221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2071326221 is about 45511.8250677777. The cubic root of 2071326221 is about 1274.7240148003.

Adding to 2071326221 its reverse (1226231702), we get a palindrome (3297557923).

The spelling of 2071326221 in words is "two billion, seventy-one million, three hundred twenty-six thousand, two hundred twenty-one".