10202022020021 has 16 divisors (see below), whose sum is σ = 11247891399360. Its totient is φ = 9193670277120.

The previous prime is 10202022020017. The next prime is 10202022020033. The reversal of 10202022020021 is 12002022020201.

It is a cyclic number.

It is not a de Polignac number, because 10202022020021 - 2² = 10202022020017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202022019978 and 10202022020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202022020051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3413516 + ... + 5661813.

It is an arithmetic number, because the mean of its divisors is an integer number (702993212460).

Almost surely, 2^{10202022020021} is an apocalyptic number.

It is an amenable number.

10202022020021 is a deficient number, since it is larger than the sum of its proper divisors (1045869379339).

10202022020021 is a wasteful number, since it uses less digits than its factorization.

10202022020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9077396.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10202022020021 its reverse (12002022020201), we get a palindrome (22204044040222).

The spelling of 10202022020021 in words is "ten trillion, two hundred two billion, twenty-two million, twenty thousand, twenty-one".