111200311331 has 4 divisors (see below), whose sum is σ = 111210078000. Its totient is φ = 111190544664.

The previous prime is 111200311279. The next prime is 111200311403. The reversal of 111200311331 is 133113002111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111200311331 - 2¹⁸ = 111200049187 is a prime.

It is a super-2 number, since 2×111200311331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111200311531) 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, 4866236 + ... + 4889033.

It is an arithmetic number, because the mean of its divisors is an integer number (27802519500).

Almost surely, 2^111200311331 is an apocalyptic number.

111200311331 is a deficient number, since it is larger than the sum of its proper divisors (9766669).

111200311331 is an equidigital number, since it uses as much as digits as its factorization.

111200311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9766668.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 111200311331 its reverse (133113002111), we get a palindrome (244313313442).

The spelling of 111200311331 in words is "one hundred eleven billion, two hundred million, three hundred eleven thousand, three hundred thirty-one".