221434344104 has 16 divisors (see below), whose sum is σ = 415200289920. Its totient is φ = 110714266800.

The previous prime is 221434344091. The next prime is 221434344119. The reversal of 221434344104 is 401443434122.

221434344104 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 3 ways as a sum of consecutive naturals, for example, 20174 + ... + 665789.

It is an arithmetic number, because the mean of its divisors is an integer number (25950018120).

Almost surely, 2^221434344104 is an apocalyptic number.

It is an amenable number.

221434344104 is a deficient number, since it is larger than the sum of its proper divisors (193765945816).

221434344104 is a wasteful number, since it uses less digits than its factorization.

221434344104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726320 (or 726316 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 221434344104 its reverse (401443434122), we get a palindrome (622877778226).

The spelling of 221434344104 in words is "two hundred twenty-one billion, four hundred thirty-four million, three hundred forty-four thousand, one hundred four".