11202020109 has 12 divisors (see below), whose sum is σ = 18492223776. Its totient is φ = 6401154312.

The previous prime is 11202020099. The next prime is 11202020113. The reversal of 11202020109 is 90102020211.

It is not a de Polignac number, because 11202020109 - 2⁸ = 11202019853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11202020091 and 11202020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202020129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88904859 + ... + 88904984.

It is an arithmetic number, because the mean of its divisors is an integer number (1541018648).

Almost surely, 2^11202020109 is an apocalyptic number.

It is an amenable number.

11202020109 is a deficient number, since it is larger than the sum of its proper divisors (7290203667).

11202020109 is a wasteful number, since it uses less digits than its factorization.

11202020109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177809856 (or 177809853 counting only the distinct ones).

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

The spelling of 11202020109 in words is "eleven billion, two hundred two million, twenty thousand, one hundred nine".