221141115232 has 24 divisors (see below), whose sum is σ = 460981664136. Its totient is φ = 104066406912.

The previous prime is 221141115227. The next prime is 221141115241. The reversal of 221141115232 is 232511141122.

It is a junction number, because it is equal to n+sod(n) for n = 221141115197 and 221141115206.

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 3 ways as a sum of consecutive naturals, for example, 203254158 + ... + 203255245.

It is an arithmetic number, because the mean of its divisors is an integer number (19207569339).

Almost surely, 2^221141115232 is an apocalyptic number.

It is an amenable number.

221141115232 is an abundant number, since it is smaller than the sum of its proper divisors (239840548904).

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

221141115232 is a wasteful number, since it uses less digits than its factorization.

221141115232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406509430 (or 406509422 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

Adding to 221141115232 its reverse (232511141122), we get a palindrome (453652256354).

The spelling of 221141115232 in words is "two hundred twenty-one billion, one hundred forty-one million, one hundred fifteen thousand, two hundred thirty-two".