243114214221 has 48 divisors (see below), whose sum is σ = 395127008640. Its totient is φ = 143287626240.

The previous prime is 243114214219. The next prime is 243114214223. The reversal of 243114214221 is 122412411342.

243114214221 is a `hidden beast` number, since 2 + 4 + 3 + 11 + 421 + 4 + 221 = 666.

243114214221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (243114214219) and next prime (243114214223).

It is not a de Polignac number, because 243114214221 - 2¹ = 243114214219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243114214223) 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 47 ways as a sum of consecutive naturals, for example, 592576 + ... + 915081.

It is an arithmetic number, because the mean of its divisors is an integer number (8231812680).

Almost surely, 2^243114214221 is an apocalyptic number.

It is an amenable number.

243114214221 is a deficient number, since it is larger than the sum of its proper divisors (152012794419).

243114214221 is a wasteful number, since it uses less digits than its factorization.

243114214221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507746 (or 1507743 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 243114214221 its reverse (122412411342), we get a palindrome (365526625563).

The spelling of 243114214221 in words is "two hundred forty-three billion, one hundred fourteen million, two hundred fourteen thousand, two hundred twenty-one".