12022113211 has 4 divisors (see below), whose sum is σ = 12022962424. Its totient is φ = 12021264000.

The previous prime is 12022113209. The next prime is 12022113239. The reversal of 12022113211 is 11231122021.

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 12022113211 - 2¹ = 12022113209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022113251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403005 + ... + 431806.

It is an arithmetic number, because the mean of its divisors is an integer number (3005740606).

Almost surely, 2^12022113211 is an apocalyptic number.

12022113211 is a deficient number, since it is larger than the sum of its proper divisors (849213).

12022113211 is an equidigital number, since it uses as much as digits as its factorization.

12022113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849212.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12022113211 its reverse (11231122021), we get a palindrome (23253235232).

The spelling of 12022113211 in words is "twelve billion, twenty-two million, one hundred thirteen thousand, two hundred eleven".