33112221132 has 12 divisors (see below), whose sum is σ = 77261849336. Its totient is φ = 11037407040.

The previous prime is 33112221067. The next prime is 33112221151. The reversal of 33112221132 is 23112221133.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33112221132² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 33112221099 and 33112221108.

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 3 ways as a sum of consecutive naturals, for example, 1379675869 + ... + 1379675892.

Almost surely, 2^33112221132 is an apocalyptic number.

It is an amenable number.

33112221132 is an abundant number, since it is smaller than the sum of its proper divisors (44149628204).

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

33112221132 is a wasteful number, since it uses less digits than its factorization.

33112221132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759351768 (or 2759351766 counting only the distinct ones).

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

Adding to 33112221132 its reverse (23112221133), we get a palindrome (56224442265).

Subtracting from 33112221132 its reverse (23112221133), we obtain a palindrome (9999999999).

The spelling of 33112221132 in words is "thirty-three billion, one hundred twelve million, two hundred twenty-one thousand, one hundred thirty-two".