10021202220209 has 2 divisors, whose sum is σ = 10021202220210. Its totient is φ = 10021202220208.

The previous prime is 10021202220199. The next prime is 10021202220223. The reversal of 10021202220209 is 90202220212001.

10021202220209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9396830430625 + 624371789584 = 3065425^2 + 790172^2 .

It is an emirp because it is prime and its reverse (90202220212001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10021202220209 - 2¹⁶ = 10021202154673 is a prime.

It is not a weakly prime, because it can be changed into another prime (10021202220229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010601110104 + 5010601110105.

It is an arithmetic number, because the mean of its divisors is an integer number (5010601110105).

Almost surely, 2^{10021202220209} is an apocalyptic number.

It is an amenable number.

10021202220209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021202220209 is an equidigital number, since it uses as much as digits as its factorization.

10021202220209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 10021202220209 in words is "ten trillion, twenty-one billion, two hundred two million, two hundred twenty thousand, two hundred nine".