12000111020211 has 4 divisors (see below), whose sum is σ = 16000148026952. Its totient is φ = 8000074013472.

The previous prime is 12000111020179. The next prime is 12000111020251. The reversal of 12000111020211 is 11202011100021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12000111020211 - 2⁵ = 12000111020179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000111020251) 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, 2000018503366 + ... + 2000018503371.

It is an arithmetic number, because the mean of its divisors is an integer number (4000037006738).

Almost surely, 2^{12000111020211} is an apocalyptic number.

12000111020211 is a deficient number, since it is larger than the sum of its proper divisors (4000037006741).

12000111020211 is an equidigital number, since it uses as much as digits as its factorization.

12000111020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000037006740.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12000111020211 its reverse (11202011100021), we get a palindrome (23202122120232).

It can be divided in two parts, 1200011 and 1020211, that added together give a palindrome (2220222).

The spelling of 12000111020211 in words is "twelve trillion, one hundred eleven million, twenty thousand, two hundred eleven".