2000020111111 has 4 divisors (see below), whose sum is σ = 2181840121224. Its totient is φ = 1818200101000.

The previous prime is 2000020111099. The next prime is 2000020111121. The reversal of 2000020111111 is 1111110200002.

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 2000020111111 - 2¹⁷ = 2000019980039 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 (2000020111121) 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, 90910005040 + ... + 90910005061.

It is an arithmetic number, because the mean of its divisors is an integer number (545460030306).

Almost surely, 2^{2000020111111} is an apocalyptic number.

2000020111111 is a deficient number, since it is larger than the sum of its proper divisors (181820010113).

2000020111111 is a wasteful number, since it uses less digits than its factorization.

2000020111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181820010112.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2000020111111 its reverse (1111110200002), we get a palindrome (3111130311113).

The spelling of 2000020111111 in words is "two trillion, twenty million, one hundred eleven thousand, one hundred eleven".