102011002209 has 48 divisors (see below), whose sum is σ = 155435664384. Its totient is φ = 66843176400.

The previous prime is 102011002207. The next prime is 102011002229. The reversal of 102011002209 is 902200110201.

It is not a de Polignac number, because 102011002209 - 2¹ = 102011002207 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102011002191 and 102011002200.

It is not an unprimeable number, because it can be changed into a prime (102011002207) 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 in 47 ways as a sum of consecutive naturals, for example, 5701812 + ... + 5719674.

It is an arithmetic number, because the mean of its divisors is an integer number (3238243008).

Almost surely, 2^102011002209 is an apocalyptic number.

It is an amenable number.

102011002209 is a deficient number, since it is larger than the sum of its proper divisors (53424662175).

102011002209 is an equidigital number, since it uses as much as digits as its factorization.

102011002209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18280 (or 18268 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 102011002209 in words is "one hundred two billion, eleven million, two thousand, two hundred nine".