221041112244 has 48 divisors (see below), whose sum is σ = 517445978112. Its totient is φ = 73440280672.

The previous prime is 221041112213. The next prime is 221041112249. The reversal of 221041112244 is 442211140122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221041112249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4590397 + ... + 4638299.

It is an arithmetic number, because the mean of its divisors is an integer number (10780124544).

Almost surely, 2^221041112244 is an apocalyptic number.

It is an amenable number.

221041112244 is an abundant number, since it is smaller than the sum of its proper divisors (296404865868).

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

221041112244 is a wasteful number, since it uses less digits than its factorization.

221041112244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49156 (or 49154 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 221041112244 its reverse (442211140122), we get a palindrome (663252252366).

The spelling of 221041112244 in words is "two hundred twenty-one billion, forty-one million, one hundred twelve thousand, two hundred forty-four".