22023121211 has 16 divisors (see below), whose sum is σ = 27116678400. Its totient is φ = 17417623968.

The previous prime is 22023121171. The next prime is 22023121213. The reversal of 22023121211 is 11212132022.

It is a cyclic number.

It is not a de Polignac number, because 22023121211 - 2¹⁰ = 22023120187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22023121211.

It is not an unprimeable number, because it can be changed into a prime (22023121213) 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, 174560 + ... + 272978.

It is an arithmetic number, because the mean of its divisors is an integer number (1694792400).

Almost surely, 2^22023121211 is an apocalyptic number.

22023121211 is a deficient number, since it is larger than the sum of its proper divisors (5093557189).

22023121211 is a wasteful number, since it uses less digits than its factorization.

22023121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100898.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22023121211 its reverse (11212132022), we get a palindrome (33235253233).

The spelling of 22023121211 in words is "twenty-two billion, twenty-three million, one hundred twenty-one thousand, two hundred eleven".