999210033122201 has 2 divisors, whose sum is σ = 999210033122202. Its totient is φ = 999210033122200.

The previous prime is 999210033122183. The next prime is 999210033122209. The reversal of 999210033122201 is 102221330012999.

It is a happy number.

999210033122201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 870644459689225 + 128565573432976 = 29506685^2 + 11338676^2 .

It is a cyclic number.

It is not a de Polignac number, because 999210033122201 - 2¹⁰ = 999210033121177 is a prime.

It is not a weakly prime, because it can be changed into another prime (999210033122209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499605016561100 + 499605016561101.

It is an arithmetic number, because the mean of its divisors is an integer number (499605016561101).

Almost surely, 2^{999210033122201} is an apocalyptic number.

It is an amenable number.

999210033122201 is a deficient number, since it is larger than the sum of its proper divisors (1).

999210033122201 is an equidigital number, since it uses as much as digits as its factorization.

999210033122201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 999210033122201 in words is "nine hundred ninety-nine trillion, two hundred ten billion, thirty-three million, one hundred twenty-two thousand, two hundred one".