33111000221232 has 40 divisors (see below), whose sum is σ = 86741493546240. Its totient is φ = 10881549367360.

The previous prime is 33111000221207. The next prime is 33111000221339. The reversal of 33111000221232 is 23212200011133.

It is a junction number, because it is equal to n+sod(n) for n = 33111000221199 and 33111000221208.

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 7 ways as a sum of consecutive naturals, for example, 4857831132 + ... + 4857837947.

It is an arithmetic number, because the mean of its divisors is an integer number (2168537338656).

Almost surely, 2^{33111000221232} is an apocalyptic number.

It is an amenable number.

33111000221232 is an abundant number, since it is smaller than the sum of its proper divisors (53630493325008).

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

33111000221232 is a wasteful number, since it uses less digits than its factorization.

33111000221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9715669161 (or 9715669155 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 33111000221232 its reverse (23212200011133), we get a palindrome (56323200232365).

The spelling of 33111000221232 in words is "thirty-three trillion, one hundred eleven billion, two hundred twenty-one thousand, two hundred thirty-two".