33112221068 has 12 divisors (see below), whose sum is σ = 59359713672. Its totient is φ = 16152302880.

The previous prime is 33112221067. The next prime is 33112221151. The reversal of 33112221068 is 86012221133.

It is a happy number.

It is a super-2 number, since 2×33112221068² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33112221068.

It is not an unprimeable number, because it can be changed into a prime (33112221061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100951730 + ... + 100952057.

It is an arithmetic number, because the mean of its divisors is an integer number (4946642806).

Almost surely, 2^33112221068 is an apocalyptic number.

It is an amenable number.

33112221068 is a deficient number, since it is larger than the sum of its proper divisors (26247492604).

33112221068 is a wasteful number, since it uses less digits than its factorization.

33112221068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201903832 (or 201903830 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 33112221068 in words is "thirty-three billion, one hundred twelve million, two hundred twenty-one thousand, sixty-eight".