10010101202209 has 2 divisors, whose sum is σ = 10010101202210. Its totient is φ = 10010101202208.

The previous prime is 10010101202201. The next prime is 10010101202261. The reversal of 10010101202209 is 90220210101001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9623043022609 + 387058179600 = 3102103^2 + 622140^2 .

It is a cyclic number.

It is not a de Polignac number, because 10010101202209 - 2³ = 10010101202201 is a prime.

It is not a weakly prime, because it can be changed into another prime (10010101202201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005050601104 + 5005050601105.

It is an arithmetic number, because the mean of its divisors is an integer number (5005050601105).

Almost surely, 2^{10010101202209} is an apocalyptic number.

It is an amenable number.

10010101202209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010101202209 is an equidigital number, since it uses as much as digits as its factorization.

10010101202209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 10010101202209 in words is "ten trillion, ten billion, one hundred one million, two hundred two thousand, two hundred nine".