10210211009 has 2 divisors, whose sum is σ = 10210211010. Its totient is φ = 10210211008.

The previous prime is 10210210949. The next prime is 10210211041. The reversal of 10210211009 is 90011201201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7948257409 + 2261953600 = 89153^2 + 47560^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210211009 - 2⁸ = 10210210753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10210213009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105105504 + 5105105505.

It is an arithmetic number, because the mean of its divisors is an integer number (5105105505).

Almost surely, 2^10210211009 is an apocalyptic number.

It is an amenable number.

10210211009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210211009 is an equidigital number, since it uses as much as digits as its factorization.

10210211009 is an evil number, because the sum of its binary digits is even.

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

The spelling of 10210211009 in words is "ten billion, two hundred ten million, two hundred eleven thousand, nine".