111200200000011 has 24 divisors (see below), whose sum is σ = 162362105600240. Its totient is φ = 73334427696576.

The previous prime is 111200200000003. The next prime is 111200200000051. The reversal of 111200200000011 is 110000002002111.

It is a happy number.

It is not a de Polignac number, because 111200200000011 - 2³ = 111200200000003 is a prime.

It is a super-4 number, since 4×111200200000011⁴ (a number of 57 digits) contains 4444 as substring.

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 = 111200199999939 and 111200200000002.

It is not an unprimeable number, because it can be changed into a prime (111200200000051) 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 23 ways as a sum of consecutive naturals, for example, 160103020 + ... + 160796073.

Almost surely, 2^{111200200000011} is an apocalyptic number.

111200200000011 is a deficient number, since it is larger than the sum of its proper divisors (51161905600229).

111200200000011 is a wasteful number, since it uses less digits than its factorization.

111200200000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320899515 (or 320899512 counting only the distinct ones).

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

Adding to 111200200000011 its reverse (110000002002111), we get a palindrome (221200202002122).

The spelling of 111200200000011 in words is "one hundred eleven trillion, two hundred billion, two hundred million, eleven", and thus it is an aban number.