2024002240021 has 2 divisors, whose sum is σ = 2024002240022. Its totient is φ = 2024002240020.

The previous prime is 2024002240003. The next prime is 2024002240027. The reversal of 2024002240021 is 1200422004202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1635293633796 + 388708606225 = 1278786^2 + 623465^2 .

It is a cyclic number.

It is not a de Polignac number, because 2024002240021 - 2⁵ = 2024002239989 is a prime.

It is a super-2 number, since 2×2024002240021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2024002240027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012001120010 + 1012001120011.

It is an arithmetic number, because the mean of its divisors is an integer number (1012001120011).

Almost surely, 2^{2024002240021} is an apocalyptic number.

It is an amenable number.

2024002240021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2024002240021 is an equidigital number, since it uses as much as digits as its factorization.

2024002240021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 2024002240021 its reverse (1200422004202), we get a palindrome (3224424244223).

The spelling of 2024002240021 in words is "two trillion, twenty-four billion, two million, two hundred forty thousand, twenty-one".