2020212022121 has 2 divisors, whose sum is σ = 2020212022122. Its totient is φ = 2020212022120.

The previous prime is 2020212022093. The next prime is 2020212022181. The reversal of 2020212022121 is 1212202120202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1752856842025 + 267355180096 = 1323955^2 + 517064^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020212022121 - 2⁶ = 2020212022057 is a prime.

It is a super-2 number, since 2×2020212022121² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2020212022121.

It is not a weakly prime, because it can be changed into another prime (2020212022181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010106011060 + 1010106011061.

It is an arithmetic number, because the mean of its divisors is an integer number (1010106011061).

Almost surely, 2^{2020212022121} is an apocalyptic number.

It is an amenable number.

2020212022121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020212022121 is an equidigital number, since it uses as much as digits as its factorization.

2020212022121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2020212022121 its reverse (1212202120202), we get a palindrome (3232414142323).

The spelling of 2020212022121 in words is "two trillion, twenty billion, two hundred twelve million, twenty-two thousand, one hundred twenty-one".