201000010210009 has 2 divisors, whose sum is σ = 201000010210010. Its totient is φ = 201000010210008.

The previous prime is 201000010209997. The next prime is 201000010210039. The reversal of 201000010210009 is 900012010000102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177969340465225 + 23030669744784 = 13340515^2 + 4799028^2 .

It is a cyclic number.

It is not a de Polignac number, because 201000010210009 - 2¹⁷ = 201000010078937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201000010209974 and 201000010210001.

It is not a weakly prime, because it can be changed into another prime (201000010210039) 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, 100500005105004 + 100500005105005.

It is an arithmetic number, because the mean of its divisors is an integer number (100500005105005).

Almost surely, 2^{201000010210009} is an apocalyptic number.

It is an amenable number.

201000010210009 is a deficient number, since it is larger than the sum of its proper divisors (1).

201000010210009 is an equidigital number, since it uses as much as digits as its factorization.

201000010210009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 201000010210009 in words is "two hundred one trillion, ten million, two hundred ten thousand, nine".