2112111320 has 32 divisors (see below), whose sum is σ = 5184274320. Its totient is φ = 768040320.

The previous prime is 2112111319. The next prime is 2112111343. The reversal of 2112111320 is 231112112.

It is a super-2 number, since 2×2112111320² = 8922028456144284800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112111295 and 2112111304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2399687 + ... + 2400566.

Almost surely, 2^2112111320 is an apocalyptic number.

2112111320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112111320 is an abundant number, since it is smaller than the sum of its proper divisors (3072163000).

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

2112111320 is a wasteful number, since it uses less digits than its factorization.

2112111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800275 (or 4800271 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2112111320 is about 45957.7123016366. The cubic root of 2112111320 is about 1283.0362734408.

Adding to 2112111320 its reverse (231112112), we get a palindrome (2343223432).

The spelling of 2112111320 in words is "two billion, one hundred twelve million, one hundred eleven thousand, three hundred twenty".