8079849222121 has 2 divisors, whose sum is σ = 8079849222122. Its totient is φ = 8079849222120.

The previous prime is 8079849222041. The next prime is 8079849222149. The reversal of 8079849222121 is 1212229489708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5964756021225 + 2115093200896 = 2442285^2 + 1454336^2 .

It is a cyclic number.

It is not a de Polignac number, because 8079849222121 - 2⁷ = 8079849221993 is a prime.

It is not a weakly prime, because it can be changed into another prime (8079849222521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4039924611060 + 4039924611061.

It is an arithmetic number, because the mean of its divisors is an integer number (4039924611061).

Almost surely, 2^{8079849222121} is an apocalyptic number.

It is an amenable number.

8079849222121 is a deficient number, since it is larger than the sum of its proper divisors (1).

8079849222121 is an equidigital number, since it uses as much as digits as its factorization.

8079849222121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 8079849222121 in words is "eight trillion, seventy-nine billion, eight hundred forty-nine million, two hundred twenty-two thousand, one hundred twenty-one".