221334204113424 has 160 divisors (see below), whose sum is σ = 652413097889280. Its totient is φ = 71809379712000.

The previous prime is 221334204113333. The next prime is 221334204113543. The reversal of 221334204113424 is 424311402433122.

221334204113424 is a `hidden beast` number, since 2 + 2 + 1 + 334 + 204 + 113 + 4 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26438277 + ... + 33788324.

It is an arithmetic number, because the mean of its divisors is an integer number (4077581861808).

Almost surely, 2^{221334204113424} is an apocalyptic number.

221334204113424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

221334204113424 is an abundant number, since it is smaller than the sum of its proper divisors (431078893775856).

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

221334204113424 is a wasteful number, since it uses less digits than its factorization.

221334204113424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60226846 (or 60226834 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 221334204113424 its reverse (424311402433122), we get a palindrome (645645606546546).

The spelling of 221334204113424 in words is "two hundred twenty-one trillion, three hundred thirty-four billion, two hundred four million, one hundred thirteen thousand, four hundred twenty-four".