324041012221 has 4 divisors (see below), whose sum is σ = 343102248252. Its totient is φ = 304979776192.

The previous prime is 324041012189. The next prime is 324041012227. The reversal of 324041012221 is 122210140423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122210140423 = 7 ⋅17458591489.

It can be written as a sum of positive squares in 2 ways, for example, as 103371252196 + 220669760025 = 321514^2 + 469755^2 .

It is a cyclic number.

It is not a de Polignac number, because 324041012221 - 2⁵ = 324041012189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324041012192 and 324041012201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324041012227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9530617990 + ... + 9530618023.

It is an arithmetic number, because the mean of its divisors is an integer number (85775562063).

Almost surely, 2^324041012221 is an apocalyptic number.

It is an amenable number.

324041012221 is a deficient number, since it is larger than the sum of its proper divisors (19061236031).

324041012221 is a wasteful number, since it uses less digits than its factorization.

324041012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19061236030.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 324041012221 its reverse (122210140423), we get a palindrome (446251152644).

The spelling of 324041012221 in words is "three hundred twenty-four billion, forty-one million, twelve thousand, two hundred twenty-one".