12223220332211 has 4 divisors (see below), whose sum is σ = 13969394665392. Its totient is φ = 10477045999032.

The previous prime is 12223220332177. The next prime is 12223220332243. The reversal of 12223220332211 is 11223302232221.

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 12223220332211 - 2¹⁴ = 12223220315827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223220332261) 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, 873087166580 + ... + 873087166593.

It is an arithmetic number, because the mean of its divisors is an integer number (3492348666348).

Almost surely, 2^{12223220332211} is an apocalyptic number.

12223220332211 is a deficient number, since it is larger than the sum of its proper divisors (1746174333181).

12223220332211 is an equidigital number, since it uses as much as digits as its factorization.

12223220332211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746174333180.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12223220332211 its reverse (11223302232221), we get a palindrome (23446522564432).

The spelling of 12223220332211 in words is "twelve trillion, two hundred twenty-three billion, two hundred twenty million, three hundred thirty-two thousand, two hundred eleven".