12220333211 has 4 divisors (see below), whose sum is σ = 12402726312. Its totient is φ = 12037940112.

The previous prime is 12220333201. The next prime is 12220333243. The reversal of 12220333211 is 11233302221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220333211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220333201) 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, 91196450 + ... + 91196583.

It is an arithmetic number, because the mean of its divisors is an integer number (3100681578).

Almost surely, 2^12220333211 is an apocalyptic number.

12220333211 is a deficient number, since it is larger than the sum of its proper divisors (182393101).

12220333211 is an equidigital number, since it uses as much as digits as its factorization.

12220333211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182393100.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12220333211 its reverse (11233302221), we get a palindrome (23453635432).

The spelling of 12220333211 in words is "twelve billion, two hundred twenty million, three hundred thirty-three thousand, two hundred eleven".