2020110211111 has 8 divisors (see below), whose sum is σ = 2022677669520. Its totient is φ = 2017544077248.

The previous prime is 2020110211069. The next prime is 2020110211129. The reversal of 2020110211111 is 1111120110202.

It is a happy number.

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 2020110211111 - 2¹¹ = 2020110209063 is a prime.

It is a super-3 number, since 3×2020110211111³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020110211091 and 2020110211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020110211211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2739120 + ... + 3397498.

It is an arithmetic number, because the mean of its divisors is an integer number (252834708690).

Almost surely, 2^{2020110211111} is an apocalyptic number.

2020110211111 is a deficient number, since it is larger than the sum of its proper divisors (2567458409).

2020110211111 is a wasteful number, since it uses less digits than its factorization.

2020110211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662273.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2020110211111 its reverse (1111120110202), we get a palindrome (3131230321313).

The spelling of 2020110211111 in words is "two trillion, twenty billion, one hundred ten million, two hundred eleven thousand, one hundred eleven".