221134324134 has 8 divisors (see below), whose sum is σ = 442268648280. Its totient is φ = 73711441376.

The previous prime is 221134324129. The next prime is 221134324139. The reversal of 221134324134 is 431423431122.

It is an interprime number because it is at equal distance from previous prime (221134324129) and next prime (221134324139).

It is a sphenic number, since it is the product of 3 distinct primes.

221134324134 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221134324139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18427860339 + ... + 18427860350.

It is an arithmetic number, because the mean of its divisors is an integer number (55283581035).

Almost surely, 2^221134324134 is an apocalyptic number.

221134324134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221134324134 is a wasteful number, since it uses less digits than its factorization.

221134324134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36855720694.

The product of its digits is 13824, while the sum is 30.

Adding to 221134324134 its reverse (431423431122), we get a palindrome (652557755256).

The spelling of 221134324134 in words is "two hundred twenty-one billion, one hundred thirty-four million, three hundred twenty-four thousand, one hundred thirty-four".