221113442134 has 64 divisors (see below), whose sum is σ = 387944524800. Its totient is φ = 93647674368.

The previous prime is 221113442119. The next prime is 221113442141. The reversal of 221113442134 is 431244311122.

It is a happy number.

It is a congruent number.

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, 2203057 + ... + 2301235.

It is an arithmetic number, because the mean of its divisors is an integer number (6061633200).

Almost surely, 2^221113442134 is an apocalyptic number.

221113442134 is a deficient number, since it is larger than the sum of its proper divisors (166831082666).

221113442134 is a wasteful number, since it uses less digits than its factorization.

221113442134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98357.

The product of its digits is 4608, while the sum is 28.

Adding to 221113442134 its reverse (431244311122), we get a palindrome (652357753256).

The spelling of 221113442134 in words is "two hundred twenty-one billion, one hundred thirteen million, four hundred forty-two thousand, one hundred thirty-four".