3421021120 has 224 divisors, whose sum is σ = 9290889216. Its totient is φ = 1188556800.

The previous prime is 3421021103. The next prime is 3421021169. The reversal of 3421021120 is 211201243.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 3421021094 and 3421021103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11675694 + ... + 11675986.

It is an arithmetic number, because the mean of its divisors is an integer number (41477184).

Almost surely, 2^3421021120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3421021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4645444608).

3421021120 is an abundant number, since it is smaller than the sum of its proper divisors (5869868096).

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

3421021120 is a wasteful number, since it uses less digits than its factorization.

3421021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3421021120 is about 58489.4958090767. The cubic root of 3421021120 is about 1506.7871867811.

Adding to 3421021120 its reverse (211201243), we get a palindrome (3632222363).

The spelling of 3421021120 in words is "three billion, four hundred twenty-one million, twenty-one thousand, one hundred twenty".