112111001321 has 12 divisors (see below), whose sum is σ = 124789324800. Its totient is φ = 100628968440.

The previous prime is 112111001279. The next prime is 112111001351. The reversal of 112111001321 is 123100111211.

It is not a de Polignac number, because 112111001321 - 2¹⁸ = 112110739177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112111001296 and 112111001305.

It is not an unprimeable number, because it can be changed into a prime (112111001351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5854601 + ... + 5873718.

It is an arithmetic number, because the mean of its divisors is an integer number (10399110400).

Almost surely, 2^112111001321 is an apocalyptic number.

112111001321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112111001321 is a deficient number, since it is larger than the sum of its proper divisors (12678323479).

112111001321 is a wasteful number, since it uses less digits than its factorization.

112111001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11728420 (or 11728409 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 112111001321 its reverse (123100111211), we get a palindrome (235211112532).

The spelling of 112111001321 in words is "one hundred twelve billion, one hundred eleven million, one thousand, three hundred twenty-one".