210201110000009 has 2 divisors, whose sum is σ = 210201110000010. Its totient is φ = 210201110000008.

The previous prime is 210201109999957. The next prime is 210201110000027. The reversal of 210201110000009 is 900000011102012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205571705923984 + 4629404076025 = 14337772^2 + 2151605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210201110000009 is a prime.

It is a super-3 number, since 3×210201110000009³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (210201110000069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105100555000004 + 105100555000005.

It is an arithmetic number, because the mean of its divisors is an integer number (105100555000005).

Almost surely, 2^{210201110000009} is an apocalyptic number.

It is an amenable number.

210201110000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

210201110000009 is an equidigital number, since it uses as much as digits as its factorization.

210201110000009 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 17.

The spelling of 210201110000009 in words is "two hundred ten trillion, two hundred one billion, one hundred ten million, nine", and thus it is an aban number.