2020201112121 has 16 divisors (see below), whose sum is σ = 2708114048640. Its totient is φ = 1339561123200.

The previous prime is 2020201112107. The next prime is 2020201112147. The reversal of 2020201112121 is 1212111020202.

It is not a de Polignac number, because 2020201112121 - 2¹¹ = 2020201110073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2020201112121.

It is not an unprimeable number, because it can be changed into a prime (2020201112191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1597645 + ... + 2567658.

It is an arithmetic number, because the mean of its divisors is an integer number (169257128040).

Almost surely, 2^{2020201112121} is an apocalyptic number.

It is an amenable number.

2020201112121 is a deficient number, since it is larger than the sum of its proper divisors (687912936519).

2020201112121 is a wasteful number, since it uses less digits than its factorization.

2020201112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166176.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2020201112121 its reverse (1212111020202), we get a palindrome (3232312132323).

The spelling of 2020201112121 in words is "two trillion, twenty billion, two hundred one million, one hundred twelve thousand, one hundred twenty-one".