12231002121111 has 6 divisors (see below), whose sum is σ = 17667003063840. Its totient is φ = 8154001414068.

The previous prime is 12231002121059. The next prime is 12231002121161. The reversal of 12231002121111 is 11112120013221.

It is a happy number.

12231002121111 is a `hidden beast` number, since 122 + 310 + 0 + 2 + 121 + 111 = 666.

12231002121111 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 12231002121111 - 2¹⁹ = 12231001596823 is a prime.

It is a super-2 number, since 2×12231002121111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231002121161) 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, 679500117831 + ... + 679500117848.

It is an arithmetic number, because the mean of its divisors is an integer number (2944500510640).

Almost surely, 2^{12231002121111} is an apocalyptic number.

12231002121111 is a deficient number, since it is larger than the sum of its proper divisors (5436000942729).

12231002121111 is a wasteful number, since it uses less digits than its factorization.

12231002121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359000235685 (or 1359000235682 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12231002121111 its reverse (11112120013221), we get a palindrome (23343122134332).

The spelling of 12231002121111 in words is "twelve trillion, two hundred thirty-one billion, two million, one hundred twenty-one thousand, one hundred eleven".