5202105321021 has 16 divisors (see below), whose sum is σ = 7939865330304. Its totient is φ = 2967813725184.

The previous prime is 5202105320999. The next prime is 5202105321047. The reversal of 5202105321021 is 1201235012025.

It is not a de Polignac number, because 5202105321021 - 2⁹ = 5202105320509 is a prime.

It is a super-3 number, since 3×5202105321021³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5202105320982 and 5202105321000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5202105320021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200732020 + ... + 200757933.

It is an arithmetic number, because the mean of its divisors is an integer number (496241583144).

Almost surely, 2^{5202105321021} is an apocalyptic number.

It is an amenable number.

5202105321021 is a deficient number, since it is larger than the sum of its proper divisors (2737760009283).

5202105321021 is a wasteful number, since it uses less digits than its factorization.

5202105321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401490580.

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 5202105321021 in words is "five trillion, two hundred two billion, one hundred five million, three hundred twenty-one thousand, twenty-one".