2211133209 has 8 divisors (see below), whose sum is σ = 3027858240. Its totient is φ = 1434248496.

The previous prime is 2211133201. The next prime is 2211133213. The reversal of 2211133209 is 9023311122.

2211133209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2211133209 - 2³ = 2211133201 is a prime.

It is a super-2 number, since 2×2211133209² = 9778220135885275362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211133201) 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, 9959949 + ... + 9960170.

It is an arithmetic number, because the mean of its divisors is an integer number (378482280).

Almost surely, 2^2211133209 is an apocalyptic number.

It is an amenable number.

2211133209 is a deficient number, since it is larger than the sum of its proper divisors (816725031).

2211133209 is a wasteful number, since it uses less digits than its factorization.

2211133209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19920159.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 2211133209 is about 47022.6882366374. The cubic root of 2211133209 is about 1302.7816589218.

The spelling of 2211133209 in words is "two billion, two hundred eleven million, one hundred thirty-three thousand, two hundred nine".