12223011111 has 16 divisors (see below), whose sum is σ = 16827030528. Its totient is φ = 7883956800.

The previous prime is 12223011109. The next prime is 12223011127. The reversal of 12223011111 is 11111032221.

It is not a de Polignac number, because 12223011111 - 2¹ = 12223011109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223011511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459600 + ... + 485466.

It is an arithmetic number, because the mean of its divisors is an integer number (1051689408).

Almost surely, 2^12223011111 is an apocalyptic number.

12223011111 is a deficient number, since it is larger than the sum of its proper divisors (4604019417).

12223011111 is a wasteful number, since it uses less digits than its factorization.

12223011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30982.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12223011111 its reverse (11111032221), we get a palindrome (23334043332).

The spelling of 12223011111 in words is "twelve billion, two hundred twenty-three million, eleven thousand, one hundred eleven".