111200111311 has 4 divisors (see below), whose sum is σ = 111200785632. Its totient is φ = 111199436992.

The previous prime is 111200111287. The next prime is 111200111333. The reversal of 111200111311 is 113111002111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 111200111311 - 2⁵ = 111200111279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111200111291 and 111200111300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111500111311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93930 + ... + 480856.

It is an arithmetic number, because the mean of its divisors is an integer number (27800196408).

Almost surely, 2^111200111311 is an apocalyptic number.

111200111311 is a deficient number, since it is larger than the sum of its proper divisors (674321).

111200111311 is an equidigital number, since it uses as much as digits as its factorization.

111200111311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674320.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 111200111311 its reverse (113111002111), we get a palindrome (224311113422).

The spelling of 111200111311 in words is "one hundred eleven billion, two hundred million, one hundred eleven thousand, three hundred eleven".