3301011021220 has 72 divisors (see below), whose sum is σ = 7620367015800. Its totient is φ = 1200247825920.

The previous prime is 3301011021157. The next prime is 3301011021229. The reversal of 3301011021220 is 221201101033.

It can be written as a sum of positive squares in 4 ways, for example, as 38890995264 + 3262120025956 = 197208^2 + 1806134^2 .

It is a super-3 number, since 3×3301011021220³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3301011021194 and 3301011021203.

It is not an unprimeable number, because it can be changed into a prime (3301011021229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26288746 + ... + 26414014.

It is an arithmetic number, because the mean of its divisors is an integer number (105838430775).

Almost surely, 2^{3301011021220} is an apocalyptic number.

It is an amenable number.

3301011021220 is an abundant number, since it is smaller than the sum of its proper divisors (4319355994580).

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

3301011021220 is a wasteful number, since it uses less digits than its factorization.

3301011021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136189 (or 136176 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 3301011021220 its reverse (221201101033), we get a palindrome (3522212122253).

The spelling of 3301011021220 in words is "three trillion, three hundred one billion, eleven million, twenty-one thousand, two hundred twenty".