2209011211 has 12 divisors (see below), whose sum is σ = 2446639272. Its totient is φ = 1992848000.

The previous prime is 2209011209. The next prime is 2209011227. The reversal of 2209011211 is 1121109022.

It is a happy number.

It is not a de Polignac number, because 2209011211 - 2¹ = 2209011209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2209011251) 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, 53830 + ... + 85531.

It is an arithmetic number, because the mean of its divisors is an integer number (203886606).

Almost surely, 2^2209011211 is an apocalyptic number.

2209011211 is a deficient number, since it is larger than the sum of its proper divisors (237628061).

2209011211 is a wasteful number, since it uses less digits than its factorization.

2209011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139514 (or 139503 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 2209011211 is about 47000.1192658061. The cubic root of 2209011211 is about 1302.3647708924.

The spelling of 2209011211 in words is "two billion, two hundred nine million, eleven thousand, two hundred eleven".