10101012209 has 2 divisors, whose sum is σ = 10101012210. Its totient is φ = 10101012208.

The previous prime is 10101012151. The next prime is 10101012211. The reversal of 10101012209 is 90221010101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9837664225 + 263347984 = 99185^2 + 16228^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101012209 - 2²⁰ = 10099963633 is a prime.

Together with 10101012211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10101012239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050506104 + 5050506105.

It is an arithmetic number, because the mean of its divisors is an integer number (5050506105).

Almost surely, 2^10101012209 is an apocalyptic number.

It is an amenable number.

10101012209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101012209 is an equidigital number, since it uses as much as digits as its factorization.

10101012209 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 10101012209 in words is "ten billion, one hundred one million, twelve thousand, two hundred nine".