2020111101 has 12 divisors (see below), whose sum is σ = 2945210112. Its totient is φ = 1334153736.

The previous prime is 2020111081. The next prime is 2020111111. The reversal of 2020111101 is 1011110202.

It is a happy number.

It is not a de Polignac number, because 2020111101 - 2¹¹ = 2020109053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020111111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1047901 + ... + 1049826.

It is an arithmetic number, because the mean of its divisors is an integer number (245434176).

Almost surely, 2^2020111101 is an apocalyptic number.

It is an amenable number.

2020111101 is a deficient number, since it is larger than the sum of its proper divisors (925099011).

2020111101 is a wasteful number, since it uses less digits than its factorization.

2020111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097840 (or 2097837 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2020111101 is about 44945.6460738969. The cubic root of 2020111101 is about 1264.1300399395.

Adding to 2020111101 its reverse (1011110202), we get a palindrome (3031221303).

The spelling of 2020111101 in words is "two billion, twenty million, one hundred eleven thousand, one hundred one".