22099012211 has 4 divisors (see below), whose sum is σ = 22473571800. Its totient is φ = 21724452624.

The previous prime is 22099012207. The next prime is 22099012213. The reversal of 22099012211 is 11221099022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22099012211 - 2² = 22099012207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22099012213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187279706 + ... + 187279823.

It is an arithmetic number, because the mean of its divisors is an integer number (5618392950).

Almost surely, 2^22099012211 is an apocalyptic number.

22099012211 is a deficient number, since it is larger than the sum of its proper divisors (374559589).

22099012211 is an equidigital number, since it uses as much as digits as its factorization.

22099012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374559588.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 22099012211 in words is "twenty-two billion, ninety-nine million, twelve thousand, two hundred eleven".