12112100221102 has 12 divisors (see below), whose sum is σ = 21134378957400. Its totient is φ = 5190900094716.

The previous prime is 12112100221097. The next prime is 12112100221127. The reversal of 12112100221102 is 20112200121121.

It is a congruent number.

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, 61796429602 + ... + 61796429797.

It is an arithmetic number, because the mean of its divisors is an integer number (1761198246450).

Almost surely, 2^{12112100221102} is an apocalyptic number.

12112100221102 is a deficient number, since it is larger than the sum of its proper divisors (9022278736298).

12112100221102 is a wasteful number, since it uses less digits than its factorization.

12112100221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123592859415 (or 123592859408 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12112100221102 its reverse (20112200121121), we get a palindrome (32224300342223).

The spelling of 12112100221102 in words is "twelve trillion, one hundred twelve billion, one hundred million, two hundred twenty-one thousand, one hundred two".