12112000021111 has 4 divisors (see below), whose sum is σ = 12116600099712. Its totient is φ = 12107399942512.

The previous prime is 12112000021081. The next prime is 12112000021243. The reversal of 12112000021111 is 11112000021121.

It is a happy number.

12112000021111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12112000021111 - 2¹³ = 12112000012919 is a prime.

It is a super-2 number, since 2×12112000021111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12112000021091 and 12112000021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112000021411) 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, 2300035351 + ... + 2300040616.

It is an arithmetic number, because the mean of its divisors is an integer number (3029150024928).

Almost surely, 2^{12112000021111} is an apocalyptic number.

12112000021111 is a deficient number, since it is larger than the sum of its proper divisors (4600078601).

12112000021111 is an equidigital number, since it uses as much as digits as its factorization.

12112000021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600078600.

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

Adding to 12112000021111 its reverse (11112000021121), we get a palindrome (23224000042232).

The spelling of 12112000021111 in words is "twelve trillion, one hundred twelve billion, twenty-one thousand, one hundred eleven".