111213143300 has 72 divisors (see below), whose sum is σ = 279693348480. Its totient is φ = 37593158400.

The previous prime is 111213143299. The next prime is 111213143309. The reversal of 111213143300 is 3341312111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (111213143309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1069145 + ... + 1168544.

It is an arithmetic number, because the mean of its divisors is an integer number (3884629840).

Almost surely, 2^111213143300 is an apocalyptic number.

111213143300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111213143300 is an abundant number, since it is smaller than the sum of its proper divisors (168480205180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111213143300 is a wasteful number, since it uses less digits than its factorization.

111213143300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237781 (or 2237774 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111213143300 its reverse (3341312111), we get a palindrome (114554455411).

The spelling of 111213143300 in words is "one hundred eleven billion, two hundred thirteen million, one hundred forty-three thousand, three hundred".