221441011441 has 16 divisors (see below), whose sum is σ = 244296368064. Its totient is φ = 199474317504.

The previous prime is 221441011369. The next prime is 221441011469. The reversal of 221441011441 is 144110144122.

It is a cyclic number.

It is not a de Polignac number, because 221441011441 - 2²³ = 221432622833 is a prime.

It is a super-2 number, since 2×221441011441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221441011471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1094830 + ... + 1281223.

It is an arithmetic number, because the mean of its divisors is an integer number (15268523004).

Almost surely, 2^221441011441 is an apocalyptic number.

It is an amenable number.

221441011441 is a deficient number, since it is larger than the sum of its proper divisors (22855356623).

221441011441 is a wasteful number, since it uses less digits than its factorization.

221441011441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376240.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 221441011441 its reverse (144110144122), we get a palindrome (365551155563).

The spelling of 221441011441 in words is "two hundred twenty-one billion, four hundred forty-one million, eleven thousand, four hundred forty-one".