111310112311321 has 96 divisors (see below), whose sum is σ = 148250903754240. Its totient is φ = 82554403276800.

The previous prime is 111310112311289. The next prime is 111310112311351. The reversal of 111310112311321 is 123113211013111.

It is a happy number.

It is not a de Polignac number, because 111310112311321 - 2⁵ = 111310112311289 is a prime.

It is a super-2 number, since 2×111310112311321² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111310112311292 and 111310112311301.

It is not an unprimeable number, because it can be changed into a prime (111310112311351) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 324927195 + ... + 325269583.

It is an arithmetic number, because the mean of its divisors is an integer number (1544280247440).

Almost surely, 2^{111310112311321} is an apocalyptic number.

111310112311321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111310112311321 is a deficient number, since it is larger than the sum of its proper divisors (36940791442919).

111310112311321 is a wasteful number, since it uses less digits than its factorization.

111310112311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342815 (or 342808 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 22.

Adding to 111310112311321 its reverse (123113211013111), we get a palindrome (234423323324432).

The spelling of 111310112311321 in words is "one hundred eleven trillion, three hundred ten billion, one hundred twelve million, three hundred eleven thousand, three hundred twenty-one".