5240101213421 has 2 divisors, whose sum is σ = 5240101213422. Its totient is φ = 5240101213420.

The previous prime is 5240101213393. The next prime is 5240101213423. The reversal of 5240101213421 is 1243121010425.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5198336160196 + 41765053225 = 2279986^2 + 204365^2 .

It is a cyclic number.

It is not a de Polignac number, because 5240101213421 - 2¹⁸ = 5240100951277 is a prime.

Together with 5240101213423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5240101213423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2620050606710 + 2620050606711.

It is an arithmetic number, because the mean of its divisors is an integer number (2620050606711).

Almost surely, 2^{5240101213421} is an apocalyptic number.

It is an amenable number.

5240101213421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5240101213421 is an equidigital number, since it uses as much as digits as its factorization.

5240101213421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 5240101213421 its reverse (1243121010425), we get a palindrome (6483222223846).

The spelling of 5240101213421 in words is "five trillion, two hundred forty billion, one hundred one million, two hundred thirteen thousand, four hundred twenty-one".