5051210522021 has 2 divisors, whose sum is σ = 5051210522022. Its totient is φ = 5051210522020.

The previous prime is 5051210521967. The next prime is 5051210522027. The reversal of 5051210522021 is 1202250121505.

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., 3250488073921 + 1800722448100 = 1802911^2 + 1341910^2 .

It is a cyclic number.

It is not a de Polignac number, because 5051210522021 - 2¹⁸ = 5051210259877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5051210522027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525605261010 + 2525605261011.

It is an arithmetic number, because the mean of its divisors is an integer number (2525605261011).

Almost surely, 2^{5051210522021} is an apocalyptic number.

It is an amenable number.

5051210522021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5051210522021 is an equidigital number, since it uses as much as digits as its factorization.

5051210522021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 5051210522021 its reverse (1202250121505), we get a palindrome (6253460643526).

The spelling of 5051210522021 in words is "five trillion, fifty-one billion, two hundred ten million, five hundred twenty-two thousand, twenty-one".