33221200100 has 36 divisors (see below), whose sum is σ = 78643643568. Its totient is φ = 12080436000.

The previous prime is 33221200091. The next prime is 33221200121. The reversal of 33221200100 is 100212233.

It is a happy number.

It is a super-2 number, since 2×33221200100² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15099446 + ... + 15101645.

Almost surely, 2^33221200100 is an apocalyptic number.

It is an amenable number.

33221200100 is an abundant number, since it is smaller than the sum of its proper divisors (45422443468).

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

33221200100 is a wasteful number, since it uses less digits than its factorization.

33221200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30201116 (or 30201109 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 33221200100 its reverse (100212233), we get a palindrome (33321412333).

The spelling of 33221200100 in words is "thirty-three billion, two hundred twenty-one million, two hundred thousand, one hundred".