10101210303209 has 2 divisors, whose sum is σ = 10101210303210. Its totient is φ = 10101210303208.

The previous prime is 10101210303139. The next prime is 10101210303259. The reversal of 10101210303209 is 90230301210101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9051692011609 + 1049518291600 = 3008603^2 + 1024460^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101210303209 - 2⁴⁰ = 9001698675433 is a prime.

It is not a weakly prime, because it can be changed into another prime (10101210303259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050605151604 + 5050605151605.

It is an arithmetic number, because the mean of its divisors is an integer number (5050605151605).

Almost surely, 2^{10101210303209} is an apocalyptic number.

It is an amenable number.

10101210303209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101210303209 is an equidigital number, since it uses as much as digits as its factorization.

10101210303209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 10101210303209 in words is "ten trillion, one hundred one billion, two hundred ten million, three hundred three thousand, two hundred nine".