2111002010111 has 4 divisors (see below), whose sum is σ = 2122665004824. Its totient is φ = 2099339015400.

The previous prime is 2111002010077. The next prime is 2111002010113. The reversal of 2111002010111 is 1110102001112.

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 2111002010111 - 2¹⁰ = 2111002009087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111002010092 and 2111002010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111002010113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5831497085 + ... + 5831497446.

It is an arithmetic number, because the mean of its divisors is an integer number (530666251206).

Almost surely, 2^{2111002010111} is an apocalyptic number.

2111002010111 is a deficient number, since it is larger than the sum of its proper divisors (11662994713).

2111002010111 is a wasteful number, since it uses less digits than its factorization.

2111002010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11662994712.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2111002010111 its reverse (1110102001112), we get a palindrome (3221104011223).

The spelling of 2111002010111 in words is "two trillion, one hundred eleven billion, two million, ten thousand, one hundred eleven".