24104512142221 has 12 divisors (see below), whose sum is σ = 28058044748700. Its totient is φ = 20647672053120.

The previous prime is 24104512142213. The next prime is 24104512142239. The reversal of 24104512142221 is 12224121540142.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18884361036996 + 5220151105225 = 4345614^2 + 2284765^2 .

It is not a de Polignac number, because 24104512142221 - 2³ = 24104512142213 is a prime.

It is a super-2 number, since 2×24104512142221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24104512242221) 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 11 ways as a sum of consecutive naturals, for example, 158713260 + ... + 158865061.

It is an arithmetic number, because the mean of its divisors is an integer number (2338170395725).

Almost surely, 2^{24104512142221} is an apocalyptic number.

It is an amenable number.

24104512142221 is a deficient number, since it is larger than the sum of its proper divisors (3953532606479).

24104512142221 is a wasteful number, since it uses less digits than its factorization.

24104512142221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317579884 (or 317579877 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

Adding to 24104512142221 its reverse (12224121540142), we get a palindrome (36328633682363).

The spelling of 24104512142221 in words is "twenty-four trillion, one hundred four billion, five hundred twelve million, one hundred forty-two thousand, two hundred twenty-one".