10021010210009 has 4 divisors (see below), whose sum is σ = 10021113212580. Its totient is φ = 10020907207440.

The previous prime is 10021010209997. The next prime is 10021010210117. The reversal of 10021010210009 is 90001201012001.

10021010210009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5399800120009 + 4621210090000 = 2323747^2 + 2149700^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021010210009 - 2²⁰ = 10021009161433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021010210509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51355214 + ... + 51549975.

It is an arithmetic number, because the mean of its divisors is an integer number (2505278303145).

Almost surely, 2^{10021010210009} is an apocalyptic number.

It is an amenable number.

10021010210009 is a deficient number, since it is larger than the sum of its proper divisors (103002571).

10021010210009 is an equidigital number, since it uses as much as digits as its factorization.

10021010210009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103002570.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 10021010210009 in words is "ten trillion, twenty-one billion, ten million, two hundred ten thousand, nine".