121913882201 has 2 divisors, whose sum is σ = 121913882202. Its totient is φ = 121913882200.

The previous prime is 121913882197. The next prime is 121913882203. The reversal of 121913882201 is 102288319121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116502072976 + 5411809225 = 341324^2 + 73565^2 .

It is a cyclic number.

It is not a de Polignac number, because 121913882201 - 2² = 121913882197 is a prime.

Together with 121913882203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121913882203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60956941100 + 60956941101.

It is an arithmetic number, because the mean of its divisors is an integer number (60956941101).

Almost surely, 2^121913882201 is an apocalyptic number.

It is an amenable number.

121913882201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121913882201 is an equidigital number, since it uses as much as digits as its factorization.

121913882201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 38.

The spelling of 121913882201 in words is "one hundred twenty-one billion, nine hundred thirteen million, eight hundred eighty-two thousand, two hundred one".