121000101199 has 2 divisors, whose sum is σ = 121000101200. Its totient is φ = 121000101198.

The previous prime is 121000101197. The next prime is 121000101203. The reversal of 121000101199 is 991101000121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121000101199 - 2¹ = 121000101197 is a prime.

Together with 121000101197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121000101191) 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, 60500050599 + 60500050600.

It is an arithmetic number, because the mean of its divisors is an integer number (60500050600).

Almost surely, 2^121000101199 is an apocalyptic number.

121000101199 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000101199 is an equidigital number, since it uses as much as digits as its factorization.

121000101199 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 121000101199 in words is "one hundred twenty-one billion, one hundred one thousand, one hundred ninety-nine".