111003343220 has 96 divisors (see below), whose sum is σ = 296810680320. Its totient is φ = 33862285440.

The previous prime is 111003343193. The next prime is 111003343277. The reversal of 111003343220 is 22343300111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111003343192 and 111003343201.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 694430 + ... + 839189.

It is an arithmetic number, because the mean of its divisors is an integer number (3091777920).

Almost surely, 2^111003343220 is an apocalyptic number.

111003343220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111003343220 is an abundant number, since it is smaller than the sum of its proper divisors (185807337100).

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

111003343220 is a wasteful number, since it uses less digits than its factorization.

111003343220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533693 (or 1533691 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 111003343220 its reverse (22343300111), we get a palindrome (133346643331).

The spelling of 111003343220 in words is "one hundred eleven billion, three million, three hundred forty-three thousand, two hundred twenty".