121342222242097 has 2 divisors, whose sum is σ = 121342222242098. Its totient is φ = 121342222242096.

The previous prime is 121342222242089. The next prime is 121342222242113. The reversal of 121342222242097 is 790242222243121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117184868438416 + 4157353803681 = 10825196^2 + 2038959^2 .

It is a cyclic number.

It is not a de Polignac number, because 121342222242097 - 2³ = 121342222242089 is a prime.

It is not a weakly prime, because it can be changed into another prime (121342222243097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60671111121048 + 60671111121049.

It is an arithmetic number, because the mean of its divisors is an integer number (60671111121049).

Almost surely, 2^{121342222242097} is an apocalyptic number.

It is an amenable number.

121342222242097 is a deficient number, since it is larger than the sum of its proper divisors (1).

121342222242097 is an equidigital number, since it uses as much as digits as its factorization.

121342222242097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 121342222242097 in words is "one hundred twenty-one trillion, three hundred forty-two billion, two hundred twenty-two million, two hundred forty-two thousand, ninety-seven".