2108421120 has 176 divisors, whose sum is σ = 7263083520. Its totient is φ = 518946816.

The previous prime is 2108421103. The next prime is 2108421121. The reversal of 2108421120 is 211248012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108421121) 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, 194401 + ... + 204959.

It is an arithmetic number, because the mean of its divisors is an integer number (41267520).

Almost surely, 2^2108421120 is an apocalyptic number.

2108421120 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 2108421120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3631541760).

2108421120 is an abundant number, since it is smaller than the sum of its proper divisors (5154662400).

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

2108421120 is a wasteful number, since it uses less digits than its factorization.

2108421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10600 (or 10582 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 2108421120 is about 45917.5469728077. The cubic root of 2108421120 is about 1282.2886138995.

Adding to 2108421120 its reverse (211248012), we get a palindrome (2319669132).

The spelling of 2108421120 in words is "two billion, one hundred eight million, four hundred twenty-one thousand, one hundred twenty".