2020111101111 has 16 divisors (see below), whose sum is σ = 2746558863360. Its totient is φ = 1320460951200.

The previous prime is 2020111101109. The next prime is 2020111101137. The reversal of 2020111101111 is 1111011110202.

It is not a de Polignac number, because 2020111101111 - 2¹ = 2020111101109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020111101611) 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 15 ways as a sum of consecutive naturals, for example, 32333031 + ... + 32395448.

It is an arithmetic number, because the mean of its divisors is an integer number (171659928960).

Almost surely, 2^{2020111101111} is an apocalyptic number.

2020111101111 is a deficient number, since it is larger than the sum of its proper divisors (726447762249).

2020111101111 is a wasteful number, since it uses less digits than its factorization.

2020111101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64728686.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 2020111101111 its reverse (1111011110202), we get a palindrome (3131122211313).

Subtracting from 2020111101111 its reverse (1111011110202), we obtain a palindrome (909099990909).

The spelling of 2020111101111 in words is "two trillion, twenty billion, one hundred eleven million, one hundred one thousand, one hundred eleven".