2110000111111 has 2 divisors, whose sum is σ = 2110000111112. Its totient is φ = 2110000111110.

The previous prime is 2110000111097. The next prime is 2110000111123. The reversal of 2110000111111 is 1111110000112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2110000111111 - 2¹⁹ = 2109999586823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110000111171) 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 as a sum of consecutive naturals, namely, 1055000055555 + 1055000055556.

It is an arithmetic number, because the mean of its divisors is an integer number (1055000055556).

Almost surely, 2^{2110000111111} is an apocalyptic number.

2110000111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110000111111 is an equidigital number, since it uses as much as digits as its factorization.

2110000111111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 2110000111111 its reverse (1111110000112), we get a palindrome (3221110111223).

It can be divided in two parts, 21100001 and 11111, that added together give a palindrome (21111112).

The spelling of 2110000111111 in words is "two trillion, one hundred ten billion, one hundred eleven thousand, one hundred eleven".