111131223303 has 8 divisors (see below), whose sum is σ = 148176802048. Its totient is φ = 74086563384.

The previous prime is 111131223299. The next prime is 111131223331. The reversal of 111131223303 is 303322131111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111131223303 - 2² = 111131223299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111131223303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111131228303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135426 + ... + 490512.

It is an arithmetic number, because the mean of its divisors is an integer number (18522100256).

Almost surely, 2^111131223303 is an apocalyptic number.

111131223303 is a deficient number, since it is larger than the sum of its proper divisors (37045578745).

111131223303 is a wasteful number, since it uses less digits than its factorization.

111131223303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459413.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111131223303 its reverse (303322131111), we get a palindrome (414453354414).

The spelling of 111131223303 in words is "one hundred eleven billion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred three".