2020101020221 has 2 divisors, whose sum is σ = 2020101020222. Its totient is φ = 2020101020220.

The previous prime is 2020101020191. The next prime is 2020101020233. The reversal of 2020101020221 is 1220201010202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1875218016996 + 144883003225 = 1369386^2 + 380635^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020101020221 - 2¹⁵ = 2020100987453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020101020261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010050510110 + 1010050510111.

It is an arithmetic number, because the mean of its divisors is an integer number (1010050510111).

Almost surely, 2^{2020101020221} is an apocalyptic number.

It is an amenable number.

2020101020221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020101020221 is an equidigital number, since it uses as much as digits as its factorization.

2020101020221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2020101020221 its reverse (1220201010202), we get a palindrome (3240302030423).

The spelling of 2020101020221 in words is "two trillion, twenty billion, one hundred one million, twenty thousand, two hundred twenty-one".