120121101210199 has 2 divisors, whose sum is σ = 120121101210200. Its totient is φ = 120121101210198.

The previous prime is 120121101210163. The next prime is 120121101210247. The reversal of 120121101210199 is 991012101121021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120121101210199 - 2¹⁵ = 120121101177431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120121101210199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120121101210599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060550605099 + 60060550605100.

It is an arithmetic number, because the mean of its divisors is an integer number (60060550605100).

Almost surely, 2^{120121101210199} is an apocalyptic number.

120121101210199 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121101210199 is an equidigital number, since it uses as much as digits as its factorization.

120121101210199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 120121101210199 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred one million, two hundred ten thousand, one hundred ninety-nine".