2112091120 has 20 divisors (see below), whose sum is σ = 4910612040. Its totient is φ = 844836416.

The previous prime is 2112091109. The next prime is 2112091139. The reversal of 2112091120 is 211902112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13200490 + ... + 13200649.

It is an arithmetic number, because the mean of its divisors is an integer number (245530602).

Almost surely, 2^2112091120 is an apocalyptic number.

2112091120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112091120 is an abundant number, since it is smaller than the sum of its proper divisors (2798520920).

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

2112091120 is a wasteful number, since it uses less digits than its factorization.

2112091120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26401152 (or 26401146 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 2112091120 is about 45957.4925338622. The cubic root of 2112091120 is about 1283.0321831552.

Adding to 2112091120 its reverse (211902112), we get a palindrome (2323993232).

The spelling of 2112091120 in words is "two billion, one hundred twelve million, ninety-one thousand, one hundred twenty".