12213220223111 has 6 divisors (see below), whose sum is σ = 12387660191736. Its totient is φ = 12041203031900.

The previous prime is 12213220223107. The next prime is 12213220223131. The reversal of 12213220223111 is 11132202231221.

12213220223111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12213220223111 - 2² = 12213220223107 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 (12213220223131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1211383595 + ... + 1211393676.

It is an arithmetic number, because the mean of its divisors is an integer number (2064610031956).

Almost surely, 2^{12213220223111} is an apocalyptic number.

12213220223111 is a deficient number, since it is larger than the sum of its proper divisors (174439968625).

12213220223111 is an frugal number, since it uses more digits than its factorization.

12213220223111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422777413 (or 2422777342 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12213220223111 its reverse (11132202231221), we get a palindrome (23345422454332).

The spelling of 12213220223111 in words is "twelve trillion, two hundred thirteen billion, two hundred twenty million, two hundred twenty-three thousand, one hundred eleven".