1324204102221 has 64 divisors (see below), whose sum is σ = 2393619271680. Its totient is φ = 628817955840.

The previous prime is 1324204102159. The next prime is 1324204102283. The reversal of 1324204102221 is 1222014024231.

It is an interprime number because it is at equal distance from previous prime (1324204102159) and next prime (1324204102283).

It is not a de Polignac number, because 1324204102221 - 2⁹ = 1324204101709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1324204102191 and 1324204102200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324204102321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1831276 + ... + 2449893.

It is an arithmetic number, because the mean of its divisors is an integer number (37400301120).

Almost surely, 2^{1324204102221} is an apocalyptic number.

1324204102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1324204102221 is a deficient number, since it is larger than the sum of its proper divisors (1069415169459).

1324204102221 is a wasteful number, since it uses less digits than its factorization.

1324204102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281306.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1324204102221 its reverse (1222014024231), we get a palindrome (2546218126452).

The spelling of 1324204102221 in words is "one trillion, three hundred twenty-four billion, two hundred four million, one hundred two thousand, two hundred twenty-one".