2020010121191 has 2 divisors, whose sum is σ = 2020010121192. Its totient is φ = 2020010121190.

The previous prime is 2020010121169. The next prime is 2020010121247. The reversal of 2020010121191 is 1911210100202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020010121191 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020019121191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010005060595 + 1010005060596.

It is an arithmetic number, because the mean of its divisors is an integer number (1010005060596).

Almost surely, 2^{2020010121191} is an apocalyptic number.

2020010121191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020010121191 is an equidigital number, since it uses as much as digits as its factorization.

2020010121191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 2020010121191 its reverse (1911210100202), we get a palindrome (3931220221393).

The spelling of 2020010121191 in words is "two trillion, twenty billion, ten million, one hundred twenty-one thousand, one hundred ninety-one".