2020100211161 has 2 divisors, whose sum is σ = 2020100211162. Its totient is φ = 2020100211160.

The previous prime is 2020100211139. The next prime is 2020100211223. The reversal of 2020100211161 is 1611120010202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1696066033561 + 324034177600 = 1302331^2 + 569240^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020100211161 - 2⁶ = 2020100211097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020100211121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010050105580 + 1010050105581.

It is an arithmetic number, because the mean of its divisors is an integer number (1010050105581).

Almost surely, 2^{2020100211161} is an apocalyptic number.

It is an amenable number.

2020100211161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020100211161 is an equidigital number, since it uses as much as digits as its factorization.

2020100211161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2020100211161 its reverse (1611120010202), we get a palindrome (3631220221363).

The spelling of 2020100211161 in words is "two trillion, twenty billion, one hundred million, two hundred eleven thousand, one hundred sixty-one".