221201341 has 4 divisors (see below), whose sum is σ = 221405184. Its totient is φ = 220997500.

The previous prime is 221201339. The next prime is 221201359. The reversal of 221201341 is 143102122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221201341 - 2¹ = 221201339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221201041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100285 + ... + 102466.

It is an arithmetic number, because the mean of its divisors is an integer number (55351296).

Almost surely, 2^221201341 is an apocalyptic number.

It is an amenable number.

221201341 is a deficient number, since it is larger than the sum of its proper divisors (203843).

221201341 is a wasteful number, since it uses less digits than its factorization.

221201341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203842.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 221201341 is about 14872.8390363105. The cubic root of 221201341 is about 604.7779081451. Note that the first 3 decimals are identical.

Adding to 221201341 its reverse (143102122), we get a palindrome (364303463).

The spelling of 221201341 in words is "two hundred twenty-one million, two hundred one thousand, three hundred forty-one".