101010011209 has 2 divisors, whose sum is σ = 101010011210. Its totient is φ = 101010011208.

The previous prime is 101010011197. The next prime is 101010011231. The reversal of 101010011209 is 902110010101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67302887184 + 33707124025 = 259428^2 + 183595^2 .

It is a cyclic number.

It is not a de Polignac number, because 101010011209 - 2⁵ = 101010011177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101010011192 and 101010011201.

It is not a weakly prime, because it can be changed into another prime (101010011269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505005604 + 50505005605.

It is an arithmetic number, because the mean of its divisors is an integer number (50505005605).

Almost surely, 2^101010011209 is an apocalyptic number.

It is an amenable number.

101010011209 is a deficient number, since it is larger than the sum of its proper divisors (1).

101010011209 is an equidigital number, since it uses as much as digits as its factorization.

101010011209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 101010011209 in words is "one hundred one billion, ten million, eleven thousand, two hundred nine".