111031221133 has 8 divisors (see below), whose sum is σ = 128973034880. Its totient is φ = 93609460080.

The previous prime is 111031221109. The next prime is 111031221137. The reversal of 111031221133 is 331122130111.

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

It is a cyclic number.

It is not a de Polignac number, because 111031221133 - 2⁹ = 111031220621 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 111031221133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111031221137) 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, 130012713 + ... + 130013566.

It is an arithmetic number, because the mean of its divisors is an integer number (16121629360).

Almost surely, 2^111031221133 is an apocalyptic number.

It is an amenable number.

111031221133 is a deficient number, since it is larger than the sum of its proper divisors (17941813747).

111031221133 is an equidigital number, since it uses as much as digits as its factorization.

111031221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260026347.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111031221133 its reverse (331122130111), we get a palindrome (442153351244).

The spelling of 111031221133 in words is "one hundred eleven billion, thirty-one million, two hundred twenty-one thousand, one hundred thirty-three".