2002020122111 has 4 divisors (see below), whose sum is σ = 2014771842792. Its totient is φ = 1989268401432.

The previous prime is 2002020122099. The next prime is 2002020122161. The reversal of 2002020122111 is 1112210202002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002020122111 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 (2002020122161) 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, 6375860105 + ... + 6375860418.

It is an arithmetic number, because the mean of its divisors is an integer number (503692960698).

Almost surely, 2^{2002020122111} is an apocalyptic number.

2002020122111 is a deficient number, since it is larger than the sum of its proper divisors (12751720681).

2002020122111 is a wasteful number, since it uses less digits than its factorization.

2002020122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12751720680.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2002020122111 its reverse (1112210202002), we get a palindrome (3114230324113).

The spelling of 2002020122111 in words is "two trillion, two billion, twenty million, one hundred twenty-two thousand, one hundred eleven".