2020022111 has 2 divisors, whose sum is σ = 2020022112. Its totient is φ = 2020022110.

The previous prime is 2020022101. The next prime is 2020022143. The reversal of 2020022111 is 1112200202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020022111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020022092 and 2020022101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010011055 + 1010011056.

It is an arithmetic number, because the mean of its divisors is an integer number (1010011056).

Almost surely, 2^2020022111 is an apocalyptic number.

2020022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020022111 is an equidigital number, since it uses as much as digits as its factorization.

2020022111 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 11.

The square root of 2020022111 is about 44944.6560894618. The cubic root of 2020022111 is about 1264.1114771677. Note that the first 3 decimals are identical.

Adding to 2020022111 its reverse (1112200202), we get a palindrome (3132222313).

The spelling of 2020022111 in words is "two billion, twenty million, twenty-two thousand, one hundred eleven".