3003021221400 has 384 divisors, whose sum is σ = 10398367200000. Its totient is φ = 796588369920.

The previous prime is 3003021221383. The next prime is 3003021221437. The reversal of 3003021221400 is 41221203003.

3003021221400 is a `hidden beast` number, since 3 + 0 + 0 + 30 + 212 + 21 + 400 = 666.

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

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 908078547 + ... + 908081853.

It is an arithmetic number, because the mean of its divisors is an integer number (27079081250).

Almost surely, 2^{3003021221400} is an apocalyptic number.

3003021221400 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 3003021221400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5199183600000).

3003021221400 is an abundant number, since it is smaller than the sum of its proper divisors (7395345978600).

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

3003021221400 is a wasteful number, since it uses less digits than its factorization.

3003021221400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168 (or 4153 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 3003021221400 its reverse (41221203003), we get a palindrome (3044242424403).

The spelling of 3003021221400 in words is "three trillion, three billion, twenty-one million, two hundred twenty-one thousand, four hundred".