2111023120 has 160 divisors (see below), whose sum is σ = 5416796160. Its totient is φ = 762048000.

The previous prime is 2111023067. The next prime is 2111023121. The reversal of 2111023120 is 213201112.

It is a super-2 number, since 2×2111023120² = 8912837226349068800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2111023120.

It is not an unprimeable number, because it can be changed into a prime (2111023121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3345205 + ... + 3345835.

It is an arithmetic number, because the mean of its divisors is an integer number (33854976).

Almost surely, 2^2111023120 is an apocalyptic number.

2111023120 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 2111023120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2708398080).

2111023120 is an abundant number, since it is smaller than the sum of its proper divisors (3305773040).

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

2111023120 is a wasteful number, since it uses less digits than its factorization.

2111023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2111023120 is about 45945.8716317364. The cubic root of 2111023120 is about 1282.8158873416.

Adding to 2111023120 its reverse (213201112), we get a palindrome (2324224232).

The spelling of 2111023120 in words is "two billion, one hundred eleven million, twenty-three thousand, one hundred twenty".