221033220144301 has 8 divisors (see below), whose sum is σ = 228666098796408. Its totient is φ = 213507095040000.

The previous prime is 221033220144257. The next prime is 221033220144403. The reversal of 221033220144301 is 103441022330122.

It can be written as a sum of positive squares in 4 ways, for example, as 644646804201 + 220388573340100 = 802899^2 + 14845490^2 .

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 221033220144301 - 2¹¹ = 221033220142253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221033220144301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221033220144001) 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, 26688382740 + ... + 26688391021.

It is an arithmetic number, because the mean of its divisors is an integer number (28583262349551).

Almost surely, 2^{221033220144301} is an apocalyptic number.

It is an amenable number.

221033220144301 is a deficient number, since it is larger than the sum of its proper divisors (7632878652107).

221033220144301 is a wasteful number, since it uses less digits than its factorization.

221033220144301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53376773903.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 221033220144301 its reverse (103441022330122), we get a palindrome (324474242474423).

The spelling of 221033220144301 in words is "two hundred twenty-one trillion, thirty-three billion, two hundred twenty million, one hundred forty-four thousand, three hundred one".