2011200011111 has 2 divisors, whose sum is σ = 2011200011112. Its totient is φ = 2011200011110.

The previous prime is 2011200011069. The next prime is 2011200011143. The reversal of 2011200011111 is 1111100021102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011200011111 - 2²² = 2011195816807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011200011092 and 2011200011101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011200011011) 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, 1005600005555 + 1005600005556.

It is an arithmetic number, because the mean of its divisors is an integer number (1005600005556).

Almost surely, 2^{2011200011111} is an apocalyptic number.

2011200011111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011200011111 is an equidigital number, since it uses as much as digits as its factorization.

2011200011111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2011200011111 its reverse (1111100021102), we get a palindrome (3122300032213).

Subtracting from 2011200011111 its reverse (1111100021102), we obtain a palindrome (900099990009).

The spelling of 2011200011111 in words is "two trillion, eleven billion, two hundred million, eleven thousand, one hundred eleven".