2020111220101 has 12 divisors (see below), whose sum is σ = 2203424581572. Its totient is φ = 1851106947456.

The previous prime is 2020111220093. The next prime is 2020111220167. The reversal of 2020111220101 is 1010221110202.

It can be written as a sum of positive squares in 6 ways, for example, as 471893433025 + 1548217787076 = 686945^2 + 1244274^2 .

It is not a de Polignac number, because 2020111220101 - 2³ = 2020111220093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020114220101) 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, 43602106 + ... + 43648411.

It is an arithmetic number, because the mean of its divisors is an integer number (183618715131).

Almost surely, 2^{2020111220101} is an apocalyptic number.

It is an amenable number.

2020111220101 is a deficient number, since it is larger than the sum of its proper divisors (183313361471).

2020111220101 is a wasteful number, since it uses less digits than its factorization.

2020111220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87250680 (or 87250667 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2020111220101 its reverse (1010221110202), we get a palindrome (3030332330303).

The spelling of 2020111220101 in words is "two trillion, twenty billion, one hundred eleven million, two hundred twenty thousand, one hundred one".