2020100021210 has 8 divisors (see below), whose sum is σ = 3636180038196. Its totient is φ = 808040008480.

The previous prime is 2020100021201. The next prime is 2020100021213. The reversal of 2020100021210 is 121200010202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1679675616529 + 340424404681 = 1296023^2 + 583459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2020100021191 and 2020100021200.

It is not an unprimeable number, because it can be changed into a prime (2020100021213) 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 3 ways as a sum of consecutive naturals, for example, 101005001051 + ... + 101005001070.

Almost surely, 2^{2020100021210} is an apocalyptic number.

2020100021210 is a deficient number, since it is larger than the sum of its proper divisors (1616080016986).

2020100021210 is a wasteful number, since it uses less digits than its factorization.

2020100021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202010002128.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2020100021210 its reverse (121200010202), we get a palindrome (2141300031412).

The spelling of 2020100021210 in words is "two trillion, twenty billion, one hundred million, twenty-one thousand, two hundred ten".