221104100344 has 16 divisors (see below), whose sum is σ = 414577323000. Its totient is φ = 110550147552.

The previous prime is 221104100267. The next prime is 221104100407. The reversal of 221104100344 is 443001401122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338107 + ... + 746005.

Almost surely, 2^221104100344 is an apocalyptic number.

It is an amenable number.

221104100344 is a deficient number, since it is larger than the sum of its proper divisors (193473222656).

221104100344 is a wasteful number, since it uses less digits than its factorization.

221104100344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475662 (or 475658 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 221104100344 its reverse (443001401122), we get a palindrome (664105501466).

The spelling of 221104100344 in words is "two hundred twenty-one billion, one hundred four million, one hundred thousand, three hundred forty-four".