2020101101 has 4 divisors (see below), whose sum is σ = 2040102204. Its totient is φ = 2000100000.

The previous prime is 2020101067. The next prime is 2020101107. The reversal of 2020101101 is 1011010202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1916163076 + 103938025 = 43774^2 + 10195^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020101101 - 2¹⁰ = 2020100077 is a prime.

It is a super-2 number, since 2×2020101101² = 8161616916522824402, which contains 22 as substring.

It is a Duffinian number.

2020101101 is a modest number, since divided by 101101 gives 2020 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020101107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10000400 + ... + 10000601.

It is an arithmetic number, because the mean of its divisors is an integer number (510025551).

Almost surely, 2^2020101101 is an apocalyptic number.

It is an amenable number.

2020101101 is a deficient number, since it is larger than the sum of its proper divisors (20001103).

2020101101 is a wasteful number, since it uses less digits than its factorization.

2020101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001102.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2020101101 is about 44945.5348282785. The cubic root of 2020101101 is about 1264.1279540276.

Adding to 2020101101 its reverse (1011010202), we get a palindrome (3031111303).

It can be divided in two parts, 2020101 and 101, that added together give a palindrome (2020202).

The spelling of 2020101101 in words is "two billion, twenty million, one hundred one thousand, one hundred one".