112112122100 has 144 divisors (see below), whose sum is σ = 271428627456. Its totient is φ = 39844464000.

The previous prime is 112112122099. The next prime is 112112122117. The reversal of 112112122100 is 1221211211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58058135 + ... + 58060065.

It is an arithmetic number, because the mean of its divisors is an integer number (1884921024).

Almost surely, 2^112112122100 is an apocalyptic number.

112112122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112112122100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135714313728).

112112122100 is an abundant number, since it is smaller than the sum of its proper divisors (159316505356).

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

112112122100 is a wasteful number, since it uses less digits than its factorization.

112112122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126 (or 3119 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112112122100 its reverse (1221211211), we get a palindrome (113333333311).

The spelling of 112112122100 in words is "one hundred twelve billion, one hundred twelve million, one hundred twenty-two thousand, one hundred".