2103211120 has 80 divisors (see below), whose sum is σ = 5071675392. Its totient is φ = 810282240.

The previous prime is 2103210983. The next prime is 2103211129. The reversal of 2103211120 is 211123012.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 2103211120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103211129) 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, 551139 + ... + 554941.

Almost surely, 2^2103211120 is an apocalyptic number.

2103211120 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 2103211120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2535837696).

2103211120 is an abundant number, since it is smaller than the sum of its proper divisors (2968464272).

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

2103211120 is a wasteful number, since it uses less digits than its factorization.

2103211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070 (or 4064 counting only the distinct ones).

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

The square root of 2103211120 is about 45860.7797578715. The cubic root of 2103211120 is about 1281.2315458139.

Adding to 2103211120 its reverse (211123012), we get a palindrome (2314334132).

The spelling of 2103211120 in words is "two billion, one hundred three million, two hundred eleven thousand, one hundred twenty".