2124420422441 has 4 divisors (see below), whose sum is σ = 2164503826692. Its totient is φ = 2084337018192.

The previous prime is 2124420422419. The next prime is 2124420422447. The reversal of 2124420422441 is 1442240244212.

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 614726562025 + 1509693860416 = 784045^2 + 1228696^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124420422441 - 2³⁸ = 1849542515497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2124420422398 and 2124420422407.

It is not an unprimeable number, because it can be changed into a prime (2124420422447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20041702046 + ... + 20041702151.

It is an arithmetic number, because the mean of its divisors is an integer number (541125956673).

Almost surely, 2^{2124420422441} is an apocalyptic number.

It is an amenable number.

2124420422441 is a deficient number, since it is larger than the sum of its proper divisors (40083404251).

2124420422441 is an equidigital number, since it uses as much as digits as its factorization.

2124420422441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40083404250.

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 2124420422441 its reverse (1442240244212), we get a palindrome (3566660666653).

The spelling of 2124420422441 in words is "two trillion, one hundred twenty-four billion, four hundred twenty million, four hundred twenty-two thousand, four hundred forty-one".