2153421120 has 112 divisors (see below), whose sum is σ = 6851782080. Its totient is φ = 573014016.

The previous prime is 2153421091. The next prime is 2153421121. The reversal of 2153421120 is 211243512.

2153421120 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153421121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499936 + ... + 504224.

Almost surely, 2^2153421120 is an apocalyptic number.

2153421120 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 2153421120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3425891040).

2153421120 is an abundant number, since it is smaller than the sum of its proper divisors (4698360960).

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

2153421120 is a wasteful number, since it uses less digits than its factorization.

2153421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832 (or 4822 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2153421120 is about 46404.9686994830. The cubic root of 2153421120 is about 1291.3470934876.

Adding to 2153421120 its reverse (211243512), we get a palindrome (2364664632).

The spelling of 2153421120 in words is "two billion, one hundred fifty-three million, four hundred twenty-one thousand, one hundred twenty".