121012210102117 has 2 divisors, whose sum is σ = 121012210102118. Its totient is φ = 121012210102116.

The previous prime is 121012210102099. The next prime is 121012210102151. The reversal of 121012210102117 is 711201012210121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120842399351556 + 169810750561 = 10992834^2 + 412081^2 .

It is a cyclic number.

It is not a de Polignac number, because 121012210102117 - 2²⁷ = 121012075884389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121012210102187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506105051058 + 60506105051059.

It is an arithmetic number, because the mean of its divisors is an integer number (60506105051059).

Almost surely, 2^{121012210102117} is an apocalyptic number.

It is an amenable number.

121012210102117 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012210102117 is an equidigital number, since it uses as much as digits as its factorization.

121012210102117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 121012210102117 its reverse (711201012210121), we get a palindrome (832213222312238).

The spelling of 121012210102117 in words is "one hundred twenty-one trillion, twelve billion, two hundred ten million, one hundred two thousand, one hundred seventeen".