11202001209 has 24 divisors (see below), whose sum is σ = 19465467840. Its totient is φ = 6064240608.

The previous prime is 11202001207. The next prime is 11202001219. The reversal of 11202001209 is 90210020211.

It is not a de Polignac number, because 11202001209 - 2¹ = 11202001207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11202001191 and 11202001200.

It is not an unprimeable number, because it can be changed into a prime (11202001207) 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 in 23 ways as a sum of consecutive naturals, for example, 4678002 + ... + 4680395.

It is an arithmetic number, because the mean of its divisors is an integer number (811061160).

Almost surely, 2^11202001209 is an apocalyptic number.

11202001209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11202001209 is a deficient number, since it is larger than the sum of its proper divisors (8263466631).

11202001209 is a wasteful number, since it uses less digits than its factorization.

11202001209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9358429 (or 9358426 counting only the distinct ones).

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

The spelling of 11202001209 in words is "eleven billion, two hundred two million, one thousand, two hundred nine".