2123211120 has 40 divisors (see below), whose sum is σ = 6581955216. Its totient is φ = 566189568.

The previous prime is 2123211119. The next prime is 2123211227. The reversal of 2123211120 is 211123212.

2123211120 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2123211120.

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, 4423117 + ... + 4423596.

Almost surely, 2^2123211120 is an apocalyptic number.

2123211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123211120 is an abundant number, since it is smaller than the sum of its proper divisors (4458744096).

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

2123211120 is a wasteful number, since it uses less digits than its factorization.

2123211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8846729 (or 8846723 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2123211120 is about 46078.3150733618. The cubic root of 2123211120 is about 1285.2799321499.

Adding to 2123211120 its reverse (211123212), we get a palindrome (2334334332).

The spelling of 2123211120 in words is "two billion, one hundred twenty-three million, two hundred eleven thousand, one hundred twenty".