221011144244134 has 16 divisors (see below), whose sum is σ = 334617996358800. Its totient is φ = 109471830599584.

The previous prime is 221011144244119. The next prime is 221011144244159. The reversal of 221011144244134 is 431442441110122.

221011144244134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 221011144244134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19660332 + ... + 28784560.

It is an arithmetic number, because the mean of its divisors is an integer number (20913624772425).

Almost surely, 2^{221011144244134} is an apocalyptic number.

221011144244134 is a deficient number, since it is larger than the sum of its proper divisors (113606852114666).

221011144244134 is a wasteful number, since it uses less digits than its factorization.

221011144244134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9237527.

The product of its (nonzero) digits is 24576, while the sum is 34.

Adding to 221011144244134 its reverse (431442441110122), we get a palindrome (652453585354256).

The spelling of 221011144244134 in words is "two hundred twenty-one trillion, eleven billion, one hundred forty-four million, two hundred forty-four thousand, one hundred thirty-four".