121022196916897 has 2 divisors, whose sum is σ = 121022196916898. Its totient is φ = 121022196916896.

The previous prime is 121022196916849. The next prime is 121022196916969. The reversal of 121022196916897 is 798619691220121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86668484587281 + 34353712329616 = 9309591^2 + 5861204^2 .

It is a cyclic number.

It is not a de Polignac number, because 121022196916897 - 2²³ = 121022188528289 is a prime.

It is not a weakly prime, because it can be changed into another prime (121022196916097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511098458448 + 60511098458449.

It is an arithmetic number, because the mean of its divisors is an integer number (60511098458449).

Almost surely, 2^{121022196916897} is an apocalyptic number.

It is an amenable number.

121022196916897 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022196916897 is an equidigital number, since it uses as much as digits as its factorization.

121022196916897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 64.

The spelling of 121022196916897 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred ninety-six million, nine hundred sixteen thousand, eight hundred ninety-seven".