3321321111020 has 96 divisors (see below), whose sum is σ = 8158404602880. Its totient is φ = 1122320010240.

The previous prime is 3321321111013. The next prime is 3321321111079. The reversal of 3321321111020 is 201111231233.

It is a happy number.

3321321111020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3321321111020² (a number of 26 digits) 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 = 3321321110983 and 3321321111001.

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, 5325134 + ... + 5916053.

It is an arithmetic number, because the mean of its divisors is an integer number (84983381280).

Almost surely, 2^{3321321111020} is an apocalyptic number.

It is an amenable number.

3321321111020 is an abundant number, since it is smaller than the sum of its proper divisors (4837083491860).

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

3321321111020 is a wasteful number, since it uses less digits than its factorization.

3321321111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11241303 (or 11241301 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3321321111020 its reverse (201111231233), we get a palindrome (3522432342253).

The spelling of 3321321111020 in words is "three trillion, three hundred twenty-one billion, three hundred twenty-one million, one hundred eleven thousand, twenty".