221144423104 has 56 divisors (see below), whose sum is σ = 478852827408. Its totient is φ = 100493859840.

The previous prime is 221144423083. The next prime is 221144423153. The reversal of 221144423104 is 401324441122.

221144423104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 2786014 + ... + 2864290.

Almost surely, 2^221144423104 is an apocalyptic number.

It is an amenable number.

221144423104 is an abundant number, since it is smaller than the sum of its proper divisors (257708404304).

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

221144423104 is a wasteful number, since it uses less digits than its factorization.

221144423104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82313 (or 82303 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 221144423104 its reverse (401324441122), we get a palindrome (622468864226).

The spelling of 221144423104 in words is "two hundred twenty-one billion, one hundred forty-four million, four hundred twenty-three thousand, one hundred four".