3351221120 has 128 divisors (see below), whose sum is σ = 8676642240. Its totient is φ = 1230372864.

The previous prime is 3351221113. The next prime is 3351221123. The reversal of 3351221120 is 211221533.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×3351221120² = 22461365990268108800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3351221092 and 3351221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3351221123) 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, 1604717 + ... + 1606803.

Almost surely, 2^3351221120 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 3351221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4338321120).

3351221120 is an abundant number, since it is smaller than the sum of its proper divisors (5325421120).

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

3351221120 is a wasteful number, since it uses less digits than its factorization.

3351221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312 (or 2300 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3351221120 is about 57889.7324229435. The cubic root of 3351221120 is about 1496.4688970269.

Adding to 3351221120 its reverse (211221533), we get a palindrome (3562442653).

The spelling of 3351221120 in words is "three billion, three hundred fifty-one million, two hundred twenty-one thousand, one hundred twenty".