2020323311111 has 4 divisors (see below), whose sum is σ = 2308940926992. Its totient is φ = 1731705695232.

The previous prime is 2020323311077. The next prime is 2020323311191. The reversal of 2020323311111 is 1111133230202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2020323311111 - 2²⁶ = 2020256202247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020323311191) 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, 144308807930 + ... + 144308807943.

It is an arithmetic number, because the mean of its divisors is an integer number (577235231748).

Almost surely, 2^{2020323311111} is an apocalyptic number.

2020323311111 is a deficient number, since it is larger than the sum of its proper divisors (288617615881).

2020323311111 is an equidigital number, since it uses as much as digits as its factorization.

2020323311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288617615880.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2020323311111 its reverse (1111133230202), we get a palindrome (3131456541313).

The spelling of 2020323311111 in words is "two trillion, twenty billion, three hundred twenty-three million, three hundred eleven thousand, one hundred eleven".