5021102345021 has 20 divisors (see below), whose sum is σ = 5891463664572. Its totient is φ = 4278924187776.

The previous prime is 5021102344981. The next prime is 5021102345033. The reversal of 5021102345021 is 1205432011205.

It can be written as a sum of positive squares in 2 ways, for example, as 3902343439225 + 1118758905796 = 1975435^2 + 1057714^2 .

It is not a de Polignac number, because 5021102345021 - 2³⁴ = 5003922475837 is a prime.

It is a super-2 number, since 2×5021102345021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021102345621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5628716 + ... + 6459461.

Almost surely, 2^{5021102345021} is an apocalyptic number.

It is an amenable number.

5021102345021 is a deficient number, since it is larger than the sum of its proper divisors (870361319551).

5021102345021 is an equidigital number, since it uses as much as digits as its factorization.

5021102345021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12088378 (or 12088357 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 5021102345021 its reverse (1205432011205), we get a palindrome (6226534356226).

The spelling of 5021102345021 in words is "five trillion, twenty-one billion, one hundred two million, three hundred forty-five thousand, twenty-one".