12000110221111 has 4 divisors (see below), whose sum is σ = 12521854143792. Its totient is φ = 11478366298432.

The previous prime is 12000110221087. The next prime is 12000110221147. The reversal of 12000110221111 is 11112201100021.

It is a happy number.

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 12000110221111 - 2²⁵ = 12000076666679 is a prime.

It is a super-4 number, since 4×12000110221111⁴ (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000110221091 and 12000110221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000110221811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260871961306 + ... + 260871961351.

It is an arithmetic number, because the mean of its divisors is an integer number (3130463535948).

Almost surely, 2^{12000110221111} is an apocalyptic number.

12000110221111 is a deficient number, since it is larger than the sum of its proper divisors (521743922681).

12000110221111 is an equidigital number, since it uses as much as digits as its factorization.

12000110221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521743922680.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12000110221111 its reverse (11112201100021), we get a palindrome (23112311321132).

The spelling of 12000110221111 in words is "twelve trillion, one hundred ten million, two hundred twenty-one thousand, one hundred eleven".