221141 has 8 divisors (see below), whose sum is σ = 237120. Its totient is φ = 205632.

The previous prime is 221101. The next prime is 221159. The reversal of 221141 is 141122.

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 221141 - 2⁶ = 221077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901 + ... + 2013.

It is an arithmetic number, because the mean of its divisors is an integer number (29640).

2²²¹¹⁴¹ is an apocalyptic number.

It is an amenable number.

221141 is a deficient number, since it is larger than the sum of its proper divisors (15979).

221141 is a wasteful number, since it uses less digits than its factorization.

221141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235.

The product of its digits is 16, while the sum is 11.

The square root of 221141 is about 470.2563130889. The cubic root of 221141 is about 60.4722911157.

Adding to 221141 its reverse (141122), we get a palindrome (362263).

The spelling of 221141 in words is "two hundred twenty-one thousand, one hundred forty-one", and thus it is an iban number.