11200111111 has 16 divisors (see below), whose sum is σ = 12943215936. Its totient is φ = 9492950016.

The previous prime is 11200111063. The next prime is 11200111123. The reversal of 11200111111 is 11111100211.

It is a cyclic number.

It is not a de Polignac number, because 11200111111 - 2⁷ = 11200110983 is a prime.

11200111111 is a modest number, since divided by 111111 gives 11200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200111151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860625 + ... + 873541.

It is an arithmetic number, because the mean of its divisors is an integer number (808950996).

Almost surely, 2^11200111111 is an apocalyptic number.

11200111111 is a deficient number, since it is larger than the sum of its proper divisors (1743104825).

11200111111 is a wasteful number, since it uses less digits than its factorization.

11200111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14298.

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

Adding to 11200111111 its reverse (11111100211), we get a palindrome (22311211322).

The spelling of 11200111111 in words is "eleven billion, two hundred million, one hundred eleven thousand, one hundred eleven".