10202101209 has 12 divisors (see below), whose sum is σ = 15211735552. Its totient is φ = 6582000600.

The previous prime is 10202101207. The next prime is 10202101211. The reversal of 10202101209 is 90210120201.

10202101209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10202101207) and next prime (10202101211).

It is not a de Polignac number, because 10202101209 - 2¹ = 10202101207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202101191 and 10202101200.

It is not an unprimeable number, because it can be changed into a prime (10202101207) 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 11 ways as a sum of consecutive naturals, for example, 18283057 + ... + 18283614.

Almost surely, 2^10202101209 is an apocalyptic number.

It is an amenable number.

10202101209 is a deficient number, since it is larger than the sum of its proper divisors (5009634343).

10202101209 is a wasteful number, since it uses less digits than its factorization.

10202101209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36566708 (or 36566705 counting only the distinct ones).

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

The spelling of 10202101209 in words is "ten billion, two hundred two million, one hundred one thousand, two hundred nine".