12112100221022 has 8 divisors (see below), whose sum is σ = 18174208410000. Its totient is φ = 6054030751024.

The previous prime is 12112100221009. The next prime is 12112100221031. The reversal of 12112100221022 is 22012200121121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009672247 + ... + 1009684242.

It is an arithmetic number, because the mean of its divisors is an integer number (2271776051250).

Almost surely, 2^{12112100221022} is an apocalyptic number.

12112100221022 is a deficient number, since it is larger than the sum of its proper divisors (6062108188978).

12112100221022 is a wasteful number, since it uses less digits than its factorization.

12112100221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019359490.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12112100221022 its reverse (22012200121121), we get a palindrome (34124300342143).

Subtracting 12112100221022 from its reverse (22012200121121), we obtain a palindrome (9900099900099).

The spelling of 12112100221022 in words is "twelve trillion, one hundred twelve billion, one hundred million, two hundred twenty-one thousand, twenty-two".