2112000221112 has 64 divisors (see below), whose sum is σ = 5289203162880. Its totient is φ = 702773498112.

The previous prime is 2112000221083. The next prime is 2112000221113. The reversal of 2112000221112 is 2111220002112.

It is a junction number, because it is equal to n+sod(n) for n = 2112000221091 and 2112000221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112000221113) 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, 105626988 + ... + 105646980.

It is an arithmetic number, because the mean of its divisors is an integer number (82643799420).

Almost surely, 2^{2112000221112} is an apocalyptic number.

It is an amenable number.

2112000221112 is an abundant number, since it is smaller than the sum of its proper divisors (3177202941768).

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

2112000221112 is a wasteful number, since it uses less digits than its factorization.

2112000221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27452 (or 27448 counting only the distinct ones).

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

Adding to 2112000221112 its reverse (2111220002112), we get a palindrome (4223220223224).

The spelling of 2112000221112 in words is "two trillion, one hundred twelve billion, two hundred twenty-one thousand, one hundred twelve".