22011020211 has 16 divisors (see below), whose sum is σ = 29729653760. Its totient is φ = 14483327040.

The previous prime is 22011020189. The next prime is 22011020221. The reversal of 22011020211 is 11202011022.

It is not a de Polignac number, because 22011020211 - 2¹³ = 22011012019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011020221) 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, 761031 + ... + 789423.

It is an arithmetic number, because the mean of its divisors is an integer number (1858103360).

Almost surely, 2^22011020211 is an apocalyptic number.

22011020211 is a deficient number, since it is larger than the sum of its proper divisors (7718633549).

22011020211 is a wasteful number, since it uses less digits than its factorization.

22011020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31746.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22011020211 its reverse (11202011022), we get a palindrome (33213031233).

The spelling of 22011020211 in words is "twenty-two billion, eleven million, twenty thousand, two hundred eleven".