33223121112 has 16 divisors (see below), whose sum is σ = 83057802840. Its totient is φ = 11074373696.

The previous prime is 33223121059. The next prime is 33223121119. The reversal of 33223121112 is 21112132233.

It is a super-2 number, since 2×33223121112² (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 not an unprimeable number, because it can be changed into a prime (33223121119) 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, 692148333 + ... + 692148380.

Almost surely, 2^33223121112 is an apocalyptic number.

It is an amenable number.

33223121112 is an abundant number, since it is smaller than the sum of its proper divisors (49834681728).

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

33223121112 is a wasteful number, since it uses less digits than its factorization.

33223121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384296722 (or 1384296718 counting only the distinct ones).

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

Adding to 33223121112 its reverse (21112132233), we get a palindrome (54335253345).

The spelling of 33223121112 in words is "thirty-three billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred twelve".