3001221022020 has 384 divisors, whose sum is σ = 9850476303360. Its totient is φ = 676106403840.

The previous prime is 3001221021941. The next prime is 3001221022031. The reversal of 3001221022020 is 202201221003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 68704746 + ... + 68748414.

It is an arithmetic number, because the mean of its divisors is an integer number (25652282040).

Almost surely, 2^{3001221022020} is an apocalyptic number.

3001221022020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3001221022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4925238151680).

3001221022020 is an abundant number, since it is smaller than the sum of its proper divisors (6849255281340).

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

3001221022020 is a wasteful number, since it uses less digits than its factorization.

3001221022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43855 (or 43853 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 3001221022020 its reverse (202201221003), we get a palindrome (3203422243023).

The spelling of 3001221022020 in words is "three trillion, one billion, two hundred twenty-one million, twenty-two thousand, twenty".