22011010211 has 4 divisors (see below), whose sum is σ = 22011561624. Its totient is φ = 22010458800.

The previous prime is 22011010193. The next prime is 22011010223. The reversal of 22011010211 is 11201011022.

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 22011010211 - 2²⁶ = 21943901347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22011010192 and 22011010201.

It is not an unprimeable number, because it can be changed into a prime (22011010271) 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, 210725 + ... + 297366.

It is an arithmetic number, because the mean of its divisors is an integer number (5502890406).

Almost surely, 2^22011010211 is an apocalyptic number.

22011010211 is a deficient number, since it is larger than the sum of its proper divisors (551413).

22011010211 is an equidigital number, since it uses as much as digits as its factorization.

22011010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551412.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22011010211 its reverse (11201011022), we get a palindrome (33212021233).

The spelling of 22011010211 in words is "twenty-two billion, eleven million, ten thousand, two hundred eleven".