2002020211101 has 4 divisors (see below), whose sum is σ = 2669360281472. Its totient is φ = 1334680140732.

The previous prime is 2002020211099. The next prime is 2002020211111. The reversal of 2002020211101 is 1011120202002.

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 not a de Polignac number, because 2002020211101 - 2¹ = 2002020211099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002020211111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333670035181 + ... + 333670035186.

It is an arithmetic number, because the mean of its divisors is an integer number (667340070368).

Almost surely, 2^{2002020211101} is an apocalyptic number.

It is an amenable number.

2002020211101 is a deficient number, since it is larger than the sum of its proper divisors (667340070371).

2002020211101 is an equidigital number, since it uses as much as digits as its factorization.

2002020211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667340070370.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2002020211101 its reverse (1011120202002), we get a palindrome (3013140413103).

Subtracting from 2002020211101 its reverse (1011120202002), we obtain a palindrome (990900009099).

The spelling of 2002020211101 in words is "two trillion, two billion, twenty million, two hundred eleven thousand, one hundred one".