11202220209 has 8 divisors (see below), whose sum is σ = 14942357920. Its totient is φ = 7465114656.

The previous prime is 11202220189. The next prime is 11202220213. The reversal of 11202220209 is 90202220211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11202220209 - 2⁸ = 11202219953 is a prime.

It is a super-2 number, since 2×11202220209² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11202220009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749404 + ... + 764205.

It is an arithmetic number, because the mean of its divisors is an integer number (1867794740).

Almost surely, 2^11202220209 is an apocalyptic number.

It is an amenable number.

11202220209 is a deficient number, since it is larger than the sum of its proper divisors (3740137711).

11202220209 is a wasteful number, since it uses less digits than its factorization.

11202220209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516079.

The product of its (nonzero) digits is 288, while the sum is 21.

It can be divided in two parts, 112022 and 20209, that added together give a palindrome (132231).

The spelling of 11202220209 in words is "eleven billion, two hundred two million, two hundred twenty thousand, two hundred nine".