221133023112 has 32 divisors (see below), whose sum is σ = 554887713600. Its totient is φ = 73436986944.

The previous prime is 221133023099. The next prime is 221133023117. The reversal of 221133023112 is 211320331122.

221133023112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221133023117) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17119708 + ... + 17132619.

It is an arithmetic number, because the mean of its divisors is an integer number (17340241050).

Almost surely, 2^221133023112 is an apocalyptic number.

It is an amenable number.

221133023112 is an abundant number, since it is smaller than the sum of its proper divisors (333754690488).

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

221133023112 is a wasteful number, since it uses less digits than its factorization.

221133023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34252605 (or 34252601 counting only the distinct ones).

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

Adding to 221133023112 its reverse (211320331122), we get a palindrome (432453354234).

The spelling of 221133023112 in words is "two hundred twenty-one billion, one hundred thirty-three million, twenty-three thousand, one hundred twelve".