120110200121209 has 2 divisors, whose sum is σ = 120110200121210. Its totient is φ = 120110200121208.

The previous prime is 120110200121101. The next prime is 120110200121299. The reversal of 120110200121209 is 902121002011021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100360424180025 + 19749775941184 = 10018005^2 + 4444072^2 .

It is a cyclic number.

It is not a de Polignac number, because 120110200121209 - 2³⁹ = 119560444307321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120110200121209.

It is not a weakly prime, because it can be changed into another prime (120110200121299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055100060604 + 60055100060605.

It is an arithmetic number, because the mean of its divisors is an integer number (60055100060605).

Almost surely, 2^{120110200121209} is an apocalyptic number.

It is an amenable number.

120110200121209 is a deficient number, since it is larger than the sum of its proper divisors (1).

120110200121209 is an equidigital number, since it uses as much as digits as its factorization.

120110200121209 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.

The spelling of 120110200121209 in words is "one hundred twenty trillion, one hundred ten billion, two hundred million, one hundred twenty-one thousand, two hundred nine".