24001142021 has 2 divisors, whose sum is σ = 24001142022. Its totient is φ = 24001142020.

The previous prime is 24001141951. The next prime is 24001142063. The reversal of 24001142021 is 12024110042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20999197921 + 3001944100 = 144911^2 + 54790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24001142021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24001144021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12000571010 + 12000571011.

It is an arithmetic number, because the mean of its divisors is an integer number (12000571011).

Almost surely, 2^24001142021 is an apocalyptic number.

It is an amenable number.

24001142021 is a deficient number, since it is larger than the sum of its proper divisors (1).

24001142021 is an equidigital number, since it uses as much as digits as its factorization.

24001142021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 24001142021 its reverse (12024110042), we get a palindrome (36025252063).

The spelling of 24001142021 in words is "twenty-four billion, one million, one hundred forty-two thousand, twenty-one".