112120222121112 has 64 divisors (see below), whose sum is σ = 281477137772160. Its totient is φ = 37216544601600.

The previous prime is 112120222121111. The next prime is 112120222121123. The reversal of 112120222121112 is 211121222021211.

It is a super-2 number, since 2×112120222121112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120222121111) 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, 122877687 + ... + 123786777.

It is an arithmetic number, because the mean of its divisors is an integer number (4398080277690).

Almost surely, 2^{112120222121112} is an apocalyptic number.

112120222121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112120222121112 is an abundant number, since it is smaller than the sum of its proper divisors (169356915651048).

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

112120222121112 is a wasteful number, since it uses less digits than its factorization.

112120222121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930664 (or 930660 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 112120222121112 its reverse (211121222021211), we get a palindrome (323241444142323).

Subtracting 112120222121112 from its reverse (211121222021211), we obtain a palindrome (99000999900099).

The spelling of 112120222121112 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twelve".