111231010313233 has 4 divisors (see below), whose sum is σ = 111231031634980. Its totient is φ = 111230988991488.

The previous prime is 111231010313179. The next prime is 111231010313273. The reversal of 111231010313233 is 332313010132111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30625233476049 + 80605776837184 = 5534007^2 + 8978072^2 .

It is a cyclic number.

It is not a de Polignac number, because 111231010313233 - 2¹⁷ = 111231010182161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111231010313198 and 111231010313207.

It is not an unprimeable number, because it can be changed into a prime (111231010313273) 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, 2995441 + ... + 15212977.

It is an arithmetic number, because the mean of its divisors is an integer number (27807757908745).

Almost surely, 2^{111231010313233} is an apocalyptic number.

It is an amenable number.

111231010313233 is a deficient number, since it is larger than the sum of its proper divisors (21321747).

111231010313233 is an equidigital number, since it uses as much as digits as its factorization.

111231010313233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21321746.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 111231010313233 its reverse (332313010132111), we get a palindrome (443544020445344).

The spelling of 111231010313233 in words is "one hundred eleven trillion, two hundred thirty-one billion, ten million, three hundred thirteen thousand, two hundred thirty-three".