11200111112 has 16 divisors (see below), whose sum is σ = 21724353900. Its totient is φ = 5406950080.

The previous prime is 11200111063. The next prime is 11200111123. The reversal of 11200111112 is 21111100211.

It can be written as a sum of positive squares in 2 ways, for example, as 11118858916 + 81252196 = 105446^2 + 9014^2 .

It is a super-2 number, since 2×11200111112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11200111093 and 11200111102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24137939 + ... + 24138402.

Almost surely, 2^11200111112 is an apocalyptic number.

It is an amenable number.

11200111112 is a deficient number, since it is larger than the sum of its proper divisors (10524242788).

11200111112 is a wasteful number, since it uses less digits than its factorization.

11200111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48276376 (or 48276372 counting only the distinct ones).

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

Adding to 11200111112 its reverse (21111100211), we get a palindrome (32311211323).

The spelling of 11200111112 in words is "eleven billion, two hundred million, one hundred eleven thousand, one hundred twelve".