3321121302 has 72 divisors (see below), whose sum is σ = 7663321224. Its totient is φ = 1039264128.

The previous prime is 3321121259. The next prime is 3321121303. The reversal of 3321121302 is 2031211233.

3321121302 is a `hidden beast` number, since 332 + 11 + 21 + 302 = 666.

It is a super-2 number, since 2×3321121302² = 22059693405196350408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321121303) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 732013 + ... + 736535.

It is an arithmetic number, because the mean of its divisors is an integer number (106435017).

Almost surely, 2^3321121302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3321121302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3831660612).

3321121302 is an abundant number, since it is smaller than the sum of its proper divisors (4342199922).

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

3321121302 is a wasteful number, since it uses less digits than its factorization.

3321121302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682 (or 4660 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3321121302 is about 57629.1705822668. The cubic root of 3321121302 is about 1491.9751147059.

Adding to 3321121302 its reverse (2031211233), we get a palindrome (5352332535).

The spelling of 3321121302 in words is "three billion, three hundred twenty-one million, one hundred twenty-one thousand, three hundred two".