12112221102222 has 8 divisors (see below), whose sum is σ = 24224442204456. Its totient is φ = 4037407034072.

The previous prime is 12112221102197. The next prime is 12112221102263. The reversal of 12112221102222 is 22220112221121.

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

12112221102222 is an admirable number.

It is a super-2 number, since 2×12112221102222² (a number of 27 digits) contains 22 as substring.

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, 1009351758513 + ... + 1009351758524.

It is an arithmetic number, because the mean of its divisors is an integer number (3028055275557).

Almost surely, 2^{12112221102222} is an apocalyptic number.

12112221102222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12112221102222 is a wasteful number, since it uses less digits than its factorization.

12112221102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018703517042.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12112221102222 its reverse (22220112221121), we get a palindrome (34332333323343).

The spelling of 12112221102222 in words is "twelve trillion, one hundred twelve billion, two hundred twenty-one million, one hundred two thousand, two hundred twenty-two".