221442321134134 has 8 divisors (see below), whose sum is σ = 332396906499360. Its totient is φ = 110643352301016.

The previous prime is 221442321134081. The next prime is 221442321134141. The reversal of 221442321134134 is 431431123244122.

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

It is a junction number, because it is equal to n+sod(n) for n = 221442321134093 and 221442321134102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38904129469 + ... + 38904135160.

It is an arithmetic number, because the mean of its divisors is an integer number (41549613312420).

Almost surely, 2^{221442321134134} is an apocalyptic number.

221442321134134 is a deficient number, since it is larger than the sum of its proper divisors (110954585365226).

221442321134134 is a wasteful number, since it uses less digits than its factorization.

221442321134134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77808266054.

The product of its digits is 110592, while the sum is 37.

Adding to 221442321134134 its reverse (431431123244122), we get a palindrome (652873444378256).

The spelling of 221442321134134 in words is "two hundred twenty-one trillion, four hundred forty-two billion, three hundred twenty-one million, one hundred thirty-four thousand, one hundred thirty-four".