33100021244 has 12 divisors (see below), whose sum is σ = 57979639368. Its totient is φ = 16534410000.

The previous prime is 33100021193. The next prime is 33100021261. The reversal of 33100021244 is 44212000133.

It is a super-2 number, since 2×33100021244² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3895382 + ... + 3903869.

It is an arithmetic number, because the mean of its divisors is an integer number (4831636614).

Almost surely, 2^33100021244 is an apocalyptic number.

It is an amenable number.

33100021244 is a deficient number, since it is larger than the sum of its proper divisors (24879618124).

33100021244 is a wasteful number, since it uses less digits than its factorization.

33100021244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7800316 (or 7800314 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 33100021244 its reverse (44212000133), we get a palindrome (77312021377).

The spelling of 33100021244 in words is "thirty-three billion, one hundred million, twenty-one thousand, two hundred forty-four".