221303113404 has 96 divisors (see below), whose sum is σ = 528028139520. Its totient is φ = 72126067200.

The previous prime is 221303113397. The next prime is 221303113457. The reversal of 221303113404 is 404311303122.

It is a happy number.

221303113404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 35286789 + ... + 35293059.

It is an arithmetic number, because the mean of its divisors is an integer number (5500293120).

Almost surely, 2^221303113404 is an apocalyptic number.

It is an amenable number.

221303113404 is an abundant number, since it is smaller than the sum of its proper divisors (306725026116).

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

221303113404 is a wasteful number, since it uses less digits than its factorization.

221303113404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731 (or 6729 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 221303113404 its reverse (404311303122), we get a palindrome (625614416526).

The spelling of 221303113404 in words is "two hundred twenty-one billion, three hundred three million, one hundred thirteen thousand, four hundred four".