2020110221111 has 2 divisors, whose sum is σ = 2020110221112. Its totient is φ = 2020110221110.

The previous prime is 2020110221083. The next prime is 2020110221113. The reversal of 2020110221111 is 1111220110202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2020110221111 - 2⁶ = 2020110221047 is a prime.

It is a super-4 number, since 4×2020110221111⁴ (a number of 50 digits) contains 4444 as substring.

Together with 2020110221113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020110221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010055110555 + 1010055110556.

It is an arithmetic number, because the mean of its divisors is an integer number (1010055110556).

Almost surely, 2^{2020110221111} is an apocalyptic number.

2020110221111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020110221111 is an equidigital number, since it uses as much as digits as its factorization.

2020110221111 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 14.

Adding to 2020110221111 its reverse (1111220110202), we get a palindrome (3131330331313).

The spelling of 2020110221111 in words is "two trillion, twenty billion, one hundred ten million, two hundred twenty-one thousand, one hundred eleven".