12222101112 has 64 divisors (see below), whose sum is σ = 33207636000. Its totient is φ = 3726134784.

The previous prime is 12222101083. The next prime is 12222101119. The reversal of 12222101112 is 21110122221.

It is a junction number, because it is equal to n+sod(n) for n = 12222101091 and 12222101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222101119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145687 + ... + 213702.

Almost surely, 2^12222101112 is an apocalyptic number.

12222101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12222101112 is an abundant number, since it is smaller than the sum of its proper divisors (20985534888).

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

12222101112 is a wasteful number, since it uses less digits than its factorization.

12222101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359520 (or 359516 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12222101112 its reverse (21110122221), we get a palindrome (33332223333).

The spelling of 12222101112 in words is "twelve billion, two hundred twenty-two million, one hundred one thousand, one hundred twelve".