2020202121043 has 2 divisors, whose sum is σ = 2020202121044. Its totient is φ = 2020202121042.

The previous prime is 2020202121019. The next prime is 2020202121059. The reversal of 2020202121043 is 3401212020202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020202121043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2020202121043.

It is not a weakly prime, because it can be changed into another prime (2020202121143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010101060521 + 1010101060522.

It is an arithmetic number, because the mean of its divisors is an integer number (1010101060522).

Almost surely, 2^{2020202121043} is an apocalyptic number.

2020202121043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020202121043 is an equidigital number, since it uses as much as digits as its factorization.

2020202121043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2020202121043 its reverse (3401212020202), we get a palindrome (5421414141245).

The spelling of 2020202121043 in words is "two trillion, twenty billion, two hundred two million, one hundred twenty-one thousand, forty-three".