221322233112 has 32 divisors (see below), whose sum is σ = 568259790000. Its totient is φ = 71780183424.

The previous prime is 221322233087. The next prime is 221322233117. The reversal of 221322233112 is 211332223122.

221322233112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×221322233112³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 (221322233117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124617487 + ... + 124619262.

Almost surely, 2^221322233112 is an apocalyptic number.

It is an amenable number.

221322233112 is an abundant number, since it is smaller than the sum of its proper divisors (346937556888).

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

221322233112 is a wasteful number, since it uses less digits than its factorization.

221322233112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249236795 (or 249236791 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 221322233112 its reverse (211332223122), we get a palindrome (432654456234).

The spelling of 221322233112 in words is "two hundred twenty-one billion, three hundred twenty-two million, two hundred thirty-three thousand, one hundred twelve".