33021400221400 has 48 divisors (see below), whose sum is σ = 78647310546840. Its totient is φ = 12886400083200.

The previous prime is 33021400221377. The next prime is 33021400221457. The reversal of 33021400221400 is 412200412033.

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 11 ways as a sum of consecutive naturals, for example, 2013491814 + ... + 2013508213.

Almost surely, 2^{33021400221400} is an apocalyptic number.

It is an amenable number.

33021400221400 is an abundant number, since it is smaller than the sum of its proper divisors (45625910325440).

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

33021400221400 is a wasteful number, since it uses less digits than its factorization.

33021400221400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027000084 (or 4027000075 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 33021400221400 its reverse (412200412033), we get a palindrome (33433600633433).

The spelling of 33021400221400 in words is "thirty-three trillion, twenty-one billion, four hundred million, two hundred twenty-one thousand, four hundred".