2112110120 has 64 divisors (see below), whose sum is σ = 4906249920. Its totient is φ = 817818624.

The previous prime is 2112110083. The next prime is 2112110123. The reversal of 2112110120 is 210112112.

It is a super-2 number, since 2×2112110120² = 8922018318012828800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112110123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188927 + ... + 199793.

It is an arithmetic number, because the mean of its divisors is an integer number (76660155).

Almost surely, 2^2112110120 is an apocalyptic number.

2112110120 is a gapful number since it is divisible by the number (20) 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 2112110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2453124960).

2112110120 is an abundant number, since it is smaller than the sum of its proper divisors (2794139800).

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

2112110120 is a wasteful number, since it uses less digits than its factorization.

2112110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11034 (or 11030 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2112110120 is about 45957.6992461546. The cubic root of 2112110120 is about 1283.0360304542.

Adding to 2112110120 its reverse (210112112), we get a palindrome (2322222232).

The spelling of 2112110120 in words is "two billion, one hundred twelve million, one hundred ten thousand, one hundred twenty".