2020100211121 has 2 divisors, whose sum is σ = 2020100211122. Its totient is φ = 2020100211120.

The previous prime is 2020100211097. The next prime is 2020100211133. The reversal of 2020100211121 is 1211120010202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1382834883600 + 637265327521 = 1175940^2 + 798289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020100211121 - 2¹⁹ = 2020099686833 is a prime.

It is a super-2 number, since 2×2020100211121² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2020100211161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010050105560 + 1010050105561.

It is an arithmetic number, because the mean of its divisors is an integer number (1010050105561).

Almost surely, 2^{2020100211121} is an apocalyptic number.

It is an amenable number.

2020100211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020100211121 is an equidigital number, since it uses as much as digits as its factorization.

2020100211121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2020100211121 its reverse (1211120010202), we get a palindrome (3231220221323).

The spelling of 2020100211121 in words is "two trillion, twenty billion, one hundred million, two hundred eleven thousand, one hundred twenty-one".