33331121112 has 32 divisors (see below), whose sum is σ = 83335938480. Its totient is φ = 11109288960.

The previous prime is 33331121101. The next prime is 33331121137. The reversal of 33331121112 is 21112113333.

It is a happy number.

It is a super-2 number, since 2×33331121112² (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 congruent number.

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, 205648 + ... + 330080.

Almost surely, 2^33331121112 is an apocalyptic number.

It is an amenable number.

33331121112 is an abundant number, since it is smaller than the sum of its proper divisors (50004817368).

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

33331121112 is a wasteful number, since it uses less digits than its factorization.

33331121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135603 (or 135599 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

Adding to 33331121112 its reverse (21112113333), we get a palindrome (54443234445).

The spelling of 33331121112 in words is "thirty-three billion, three hundred thirty-one million, one hundred twenty-one thousand, one hundred twelve".