12112012221101 has 8 divisors (see below), whose sum is σ = 13321231117824. Its totient is φ = 10942439845680.

The previous prime is 12112012221059. The next prime is 12112012221163. The reversal of 12112012221101 is 10112221021121.

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 12112012221101 - 2¹⁸ = 12112011958957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12112012221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112012221401) 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, 9911629685 + ... + 9911630906.

It is an arithmetic number, because the mean of its divisors is an integer number (1665153889728).

Almost surely, 2^{12112012221101} is an apocalyptic number.

It is an amenable number.

12112012221101 is a deficient number, since it is larger than the sum of its proper divisors (1209218896723).

12112012221101 is a wasteful number, since it uses less digits than its factorization.

12112012221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19823260651.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12112012221101 its reverse (10112221021121), we get a palindrome (22224233242222).

The spelling of 12112012221101 in words is "twelve trillion, one hundred twelve billion, twelve million, two hundred twenty-one thousand, one hundred one".