111131120233313 has 4 divisors (see below), whose sum is σ = 115962908069568. Its totient is φ = 106299332397060.

The previous prime is 111131120233253. The next prime is 111131120233321. The reversal of 111131120233313 is 313332021131111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 111131120233313 - 2⁶ = 111131120233249 is a prime.

It is a super-2 number, since 2×111131120233313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111131120233613) 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, 2415893918093 + ... + 2415893918138.

It is an arithmetic number, because the mean of its divisors is an integer number (28990727017392).

Almost surely, 2^{111131120233313} is an apocalyptic number.

It is an amenable number.

111131120233313 is a deficient number, since it is larger than the sum of its proper divisors (4831787836255).

111131120233313 is an equidigital number, since it uses as much as digits as its factorization.

111131120233313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831787836254.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 111131120233313 its reverse (313332021131111), we get a palindrome (424463141364424).

The spelling of 111131120233313 in words is "one hundred eleven trillion, one hundred thirty-one billion, one hundred twenty million, two hundred thirty-three thousand, three hundred thirteen".