12000222100111 has 6 divisors (see below), whose sum is σ = 13959442034880. Its totient is φ = 10285904657196.

The previous prime is 12000222099991. The next prime is 12000222100129. The reversal of 12000222100111 is 11100122200021.

It is not a de Polignac number, because 12000222100111 - 2¹¹ = 12000222098063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000222100091 and 12000222100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000222100171) 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, 122451245871 + ... + 122451245968.

It is an arithmetic number, because the mean of its divisors is an integer number (2326573672480).

Almost surely, 2^{12000222100111} is an apocalyptic number.

12000222100111 is a deficient number, since it is larger than the sum of its proper divisors (1959219934769).

12000222100111 is an equidigital number, since it uses as much as digits as its factorization.

12000222100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244902491853 (or 244902491846 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12000222100111 its reverse (11100122200021), we get a palindrome (23100344300132).

The spelling of 12000222100111 in words is "twelve trillion, two hundred twenty-two million, one hundred thousand, one hundred eleven".