2020021210101 has 16 divisors (see below), whose sum is σ = 2777901527808. Its totient is φ = 1304978232000.

The previous prime is 2020021210093. The next prime is 2020021210157. The reversal of 2020021210101 is 1010121200202.

It is not a de Polignac number, because 2020021210101 - 2³ = 2020021210093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020021210001) 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, 70908490 + ... + 70936971.

It is an arithmetic number, because the mean of its divisors is an integer number (173618845488).

Almost surely, 2^{2020021210101} is an apocalyptic number.

It is an amenable number.

2020021210101 is a deficient number, since it is larger than the sum of its proper divisors (757880317707).

2020021210101 is a wasteful number, since it uses less digits than its factorization.

2020021210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141845612.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2020021210101 its reverse (1010121200202), we get a palindrome (3030142410303).

The spelling of 2020021210101 in words is "two trillion, twenty billion, twenty-one million, two hundred ten thousand, one hundred one".