2424042200221 has 4 divisors (see below), whose sum is σ = 2427244370332. Its totient is φ = 2420840030112.

The previous prime is 2424042200191. The next prime is 2424042200267. The reversal of 2424042200221 is 1220022404242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1104840640996 + 1319201559225 = 1051114^2 + 1148565^2 .

It is a cyclic number.

It is not a de Polignac number, because 2424042200221 - 2¹⁵ = 2424042167453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2424042200521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1601083920 + ... + 1601085433.

It is an arithmetic number, because the mean of its divisors is an integer number (606811092583).

Almost surely, 2^{2424042200221} is an apocalyptic number.

It is an amenable number.

2424042200221 is a deficient number, since it is larger than the sum of its proper divisors (3202170111).

2424042200221 is an equidigital number, since it uses as much as digits as its factorization.

2424042200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202170110.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 2424042200221 its reverse (1220022404242), we get a palindrome (3644064604463).

The spelling of 2424042200221 in words is "two trillion, four hundred twenty-four billion, forty-two million, two hundred thousand, two hundred twenty-one".