2020121111201 has 4 divisors (see below), whose sum is σ = 2020137908400. Its totient is φ = 2020104314004.

The previous prime is 2020121111167. The next prime is 2020121111209. The reversal of 2020121111201 is 1021111210202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020121111201 - 2¹⁸ = 2020120849057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020121111209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8216891 + ... + 8459168.

It is an arithmetic number, because the mean of its divisors is an integer number (505034477100).

Almost surely, 2^{2020121111201} is an apocalyptic number.

It is an amenable number.

2020121111201 is a deficient number, since it is larger than the sum of its proper divisors (16797199).

2020121111201 is a wasteful number, since it uses less digits than its factorization.

2020121111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16797198.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2020121111201 its reverse (1021111210202), we get a palindrome (3041232321403).

Subtracting from 2020121111201 its reverse (1021111210202), we obtain a palindrome (999009900999).

The spelling of 2020121111201 in words is "two trillion, twenty billion, one hundred twenty-one million, one hundred eleven thousand, two hundred one".