2020211111 has 8 divisors (see below), whose sum is σ = 2029334400. Its totient is φ = 2011107960.

The previous prime is 2020211101. The next prime is 2020211113. The reversal of 2020211111 is 1111120202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2020211111 - 2¹⁴ = 2020194727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020211092 and 2020211101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020211113) 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 in 7 ways as a sum of consecutive naturals, for example, 217676 + ... + 226766.

It is an arithmetic number, because the mean of its divisors is an integer number (253666800).

Almost surely, 2^2020211111 is an apocalyptic number.

2020211111 is a deficient number, since it is larger than the sum of its proper divisors (9123289).

2020211111 is an equidigital number, since it uses as much as digits as its factorization.

2020211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10069.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2020211111 is about 44946.7586261790. The cubic root of 2020211111 is about 1264.1509007656.

Adding to 2020211111 its reverse (1111120202), we get a palindrome (3131331313).

Subtracting from 2020211111 its reverse (1111120202), we obtain a palindrome (909090909).

It can be divided in two parts, 20202 and 11111, that multiplied together give a palindrome (224464422).

The spelling of 2020211111 in words is "two billion, twenty million, two hundred eleven thousand, one hundred eleven".