221431221214341 has 8 divisors (see below), whose sum is σ = 298798756337760. Its totient is φ = 145842250116912.

The previous prime is 221431221214337. The next prime is 221431221214349. The reversal of 221431221214341 is 143412122134122.

It is a happy number.

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

It is not a de Polignac number, because 221431221214341 - 2² = 221431221214337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221431221214349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444641006206 + ... + 444641006703.

It is an arithmetic number, because the mean of its divisors is an integer number (37349844542220).

Almost surely, 2^{221431221214341} is an apocalyptic number.

It is an amenable number.

221431221214341 is a deficient number, since it is larger than the sum of its proper divisors (77367535123419).

221431221214341 is an equidigital number, since it uses as much as digits as its factorization.

221431221214341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889282012995.

The product of its digits is 18432, while the sum is 33.

Adding to 221431221214341 its reverse (143412122134122), we get a palindrome (364843343348463).

The spelling of 221431221214341 in words is "two hundred twenty-one trillion, four hundred thirty-one billion, two hundred twenty-one million, two hundred fourteen thousand, three hundred forty-one".