12112011000221 has 8 divisors (see below), whose sum is σ = 13213466812224. Its totient is φ = 11010615838720.

The previous prime is 12112011000197. The next prime is 12112011000233. The reversal of 12112011000221 is 12200011021121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12112011000221 - 2¹⁰ = 12112010999197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12112011000196 and 12112011000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112011000281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14744561 + ... + 15544326.

It is an arithmetic number, because the mean of its divisors is an integer number (1651683351528).

Almost surely, 2^{12112011000221} is an apocalyptic number.

12112011000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12112011000221 is a deficient number, since it is larger than the sum of its proper divisors (1101455812003).

12112011000221 is a wasteful number, since it uses less digits than its factorization.

12112011000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30325251.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12112011000221 its reverse (12200011021121), we get a palindrome (24312022021342).

The spelling of 12112011000221 in words is "twelve trillion, one hundred twelve billion, eleven million, two hundred twenty-one", and thus it is an aban number.