200122000121191 has 2 divisors, whose sum is σ = 200122000121192. Its totient is φ = 200122000121190.

The previous prime is 200122000121137. The next prime is 200122000121221. The reversal of 200122000121191 is 191121000221002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200122000121191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200122004121191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100061000060595 + 100061000060596.

It is an arithmetic number, because the mean of its divisors is an integer number (100061000060596).

Almost surely, 2^{200122000121191} is an apocalyptic number.

200122000121191 is a deficient number, since it is larger than the sum of its proper divisors (1).

200122000121191 is an equidigital number, since it uses as much as digits as its factorization.

200122000121191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 200122000121191 its reverse (191121000221002), we get a palindrome (391243000342193).

The spelling of 200122000121191 in words is "two hundred trillion, one hundred twenty-two billion, one hundred twenty-one thousand, one hundred ninety-one".