22011221011209 has 16 divisors (see below), whose sum is σ = 30637389439104. Its totient is φ = 14030145043200.

The previous prime is 22011221011187. The next prime is 22011221011259. The reversal of 22011221011209 is 90211012211022.

It is not a de Polignac number, because 22011221011209 - 2⁵ = 22011221011177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22011221011259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67972432 + ... + 68295489.

It is an arithmetic number, because the mean of its divisors is an integer number (1914836839944).

Almost surely, 2^{22011221011209} is an apocalyptic number.

It is an amenable number.

22011221011209 is a deficient number, since it is larger than the sum of its proper divisors (8626168427895).

22011221011209 is a wasteful number, since it uses less digits than its factorization.

22011221011209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136270288.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 22011221011209 in words is "twenty-two trillion, eleven billion, two hundred twenty-one million, eleven thousand, two hundred nine".