121000102199 has 2 divisors, whose sum is σ = 121000102200. Its totient is φ = 121000102198.

The previous prime is 121000102187. The next prime is 121000102211. The reversal of 121000102199 is 991201000121.

It is a balanced prime because it is at equal distance from previous prime (121000102187) and next prime (121000102211).

It is a cyclic number.

It is not a de Polignac number, because 121000102199 - 2²⁸ = 120731666743 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121000102129) 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, 60500051099 + 60500051100.

It is an arithmetic number, because the mean of its divisors is an integer number (60500051100).

Almost surely, 2^121000102199 is an apocalyptic number.

121000102199 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000102199 is an equidigital number, since it uses as much as digits as its factorization.

121000102199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 121000102199 in words is "one hundred twenty-one billion, one hundred two thousand, one hundred ninety-nine".