10000121100199 has 2 divisors, whose sum is σ = 10000121100200. Its totient is φ = 10000121100198.

The previous prime is 10000121100191. The next prime is 10000121100227. The reversal of 10000121100199 is 99100112100001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10000121100199 - 2³ = 10000121100191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000121100191) 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, 5000060550099 + 5000060550100.

It is an arithmetic number, because the mean of its divisors is an integer number (5000060550100).

Almost surely, 2^{10000121100199} is an apocalyptic number.

10000121100199 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000121100199 is an equidigital number, since it uses as much as digits as its factorization.

10000121100199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 10000121100199 in words is "ten trillion, one hundred twenty-one million, one hundred thousand, one hundred ninety-nine".