221221214341 has 8 divisors (see below), whose sum is σ = 231360621120. Its totient is φ = 211125232032.

The previous prime is 221221214317. The next prime is 221221214359. The reversal of 221221214341 is 143412122122.

221221214341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221221214341 - 2³⁷ = 83782260869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221221214311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10845696 + ... + 10866073.

It is an arithmetic number, because the mean of its divisors is an integer number (28920077640).

Almost surely, 2^221221214341 is an apocalyptic number.

It is an amenable number.

221221214341 is a deficient number, since it is larger than the sum of its proper divisors (10139406779).

221221214341 is a wasteful number, since it uses less digits than its factorization.

221221214341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21712235.

The product of its digits is 1536, while the sum is 25.

Adding to 221221214341 its reverse (143412122122), we get a palindrome (364633336463).

The spelling of 221221214341 in words is "two hundred twenty-one billion, two hundred twenty-one million, two hundred fourteen thousand, three hundred forty-one".