11200002111 has 20 divisors (see below), whose sum is σ = 16862621952. Its totient is φ = 7407868608.

The previous prime is 11200002097. The next prime is 11200002113. The reversal of 11200002111 is 11120000211.

It is a happy number.

It is not a de Polignac number, because 11200002111 - 2⁹ = 11200001599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11200002093 and 11200002102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200002113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 534090 + ... + 554663.

Almost surely, 2^11200002111 is an apocalyptic number.

11200002111 is a deficient number, since it is larger than the sum of its proper divisors (5662619841).

11200002111 is a wasteful number, since it uses less digits than its factorization.

11200002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088892 (or 1088883 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11200002111 its reverse (11120000211), we get a palindrome (22320002322).

The spelling of 11200002111 in words is "eleven billion, two hundred million, two thousand, one hundred eleven".