12112021201100 has 18 divisors (see below), whose sum is σ = 26283086006604. Its totient is φ = 4844808480400.

The previous prime is 12112021201067. The next prime is 12112021201141. The reversal of 12112021201100 is 110212021121.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60560105906 + ... + 60560106105.

Almost surely, 2^{12112021201100} is an apocalyptic number.

12112021201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112021201100 is an abundant number, since it is smaller than the sum of its proper divisors (14171064805504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112021201100 is a wasteful number, since it uses less digits than its factorization.

12112021201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121120212025 (or 121120212018 counting only the distinct ones).

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

Adding to 12112021201100 its reverse (110212021121), we get a palindrome (12222233222221).

The spelling of 12112021201100 in words is "twelve trillion, one hundred twelve billion, twenty-one million, two hundred one thousand, one hundred".