221313103441 has 8 divisors (see below), whose sum is σ = 221968257984. Its totient is φ = 220658280240.

The previous prime is 221313103397. The next prime is 221313103447. The reversal of 221313103441 is 144301313122.

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

It is a cyclic number.

It is not a de Polignac number, because 221313103441 - 2⁷ = 221313103313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221313103447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288470 + ... + 1450096.

It is an arithmetic number, because the mean of its divisors is an integer number (27746032248).

Almost surely, 2^221313103441 is an apocalyptic number.

It is an amenable number.

221313103441 is a deficient number, since it is larger than the sum of its proper divisors (655154543).

221313103441 is a wasteful number, since it uses less digits than its factorization.

221313103441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165671.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 221313103441 its reverse (144301313122), we get a palindrome (365614416563).

The spelling of 221313103441 in words is "two hundred twenty-one billion, three hundred thirteen million, one hundred three thousand, four hundred forty-one".