221121341 has 8 divisors (see below), whose sum is σ = 252968640. Its totient is φ = 189338688.

The previous prime is 221121293. The next prime is 221121343. The reversal of 221121341 is 143121122.

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

It is not a de Polignac number, because 221121341 - 2²⁶ = 154012477 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 (221121343) 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, 8591 + ... + 22716.

It is an arithmetic number, because the mean of its divisors is an integer number (31621080).

Almost surely, 2^221121341 is an apocalyptic number.

It is an amenable number.

221121341 is a deficient number, since it is larger than the sum of its proper divisors (31847299).

221121341 is a wasteful number, since it uses less digits than its factorization.

221121341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32323.

The product of its digits is 96, while the sum is 17.

The square root of 221121341 is about 14870.1493267553. The cubic root of 221121341 is about 604.7049910669.

Adding to 221121341 its reverse (143121122), we get a palindrome (364242463).

The spelling of 221121341 in words is "two hundred twenty-one million, one hundred twenty-one thousand, three hundred forty-one".