12213312223111 has 4 divisors (see below), whose sum is σ = 12252332390272. Its totient is φ = 12174292055952.

The previous prime is 12213312223067. The next prime is 12213312223127. The reversal of 12213312223111 is 11132221331221.

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 12213312223111 - 2²⁷ = 12213178005383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213312226111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19510083111 + ... + 19510083736.

It is an arithmetic number, because the mean of its divisors is an integer number (3063083097568).

Almost surely, 2^{12213312223111} is an apocalyptic number.

12213312223111 is a deficient number, since it is larger than the sum of its proper divisors (39020167161).

12213312223111 is an equidigital number, since it uses as much as digits as its factorization.

12213312223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39020167160.

The product of its digits is 864, while the sum is 25.

Adding to 12213312223111 its reverse (11132221331221), we get a palindrome (23345533554332).

The spelling of 12213312223111 in words is "twelve trillion, two hundred thirteen billion, three hundred twelve million, two hundred twenty-three thousand, one hundred eleven".