221534411443341 has 64 divisors (see below), whose sum is σ = 313341696000000. Its totient is φ = 138833338355712.

The previous prime is 221534411443313. The next prime is 221534411443343. The reversal of 221534411443341 is 143344114435122.

It is not a de Polignac number, because 221534411443341 - 2⁶ = 221534411443277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221534411443293 and 221534411443302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221534411443343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11240256595 + ... + 11240276303.

It is an arithmetic number, because the mean of its divisors is an integer number (4895964000000).

Almost surely, 2^{221534411443341} is an apocalyptic number.

It is an amenable number.

221534411443341 is a deficient number, since it is larger than the sum of its proper divisors (91807284556659).

221534411443341 is a wasteful number, since it uses less digits than its factorization.

221534411443341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22586.

The product of its digits is 552960, while the sum is 42.

Adding to 221534411443341 its reverse (143344114435122), we get a palindrome (364878525878463).

The spelling of 221534411443341 in words is "two hundred twenty-one trillion, five hundred thirty-four billion, four hundred eleven million, four hundred forty-three thousand, three hundred forty-one".