112420121321 has 8 divisors (see below), whose sum is σ = 119085571080. Its totient is φ = 105760505088.

The previous prime is 112420121311. The next prime is 112420121323. The reversal of 112420121321 is 123121024211.

It can be written as a sum of positive squares in 4 ways, for example, as 9722946025 + 102697175296 = 98605^2 + 320464^2 .

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 112420121321 - 2¹⁸ = 112419859177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112420121293 and 112420121302.

It is not an unprimeable number, because it can be changed into a prime (112420121323) 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 7 ways as a sum of consecutive naturals, for example, 1418666 + ... + 1495811.

It is an arithmetic number, because the mean of its divisors is an integer number (14885696385).

Almost surely, 2^112420121321 is an apocalyptic number.

It is an amenable number.

112420121321 is a deficient number, since it is larger than the sum of its proper divisors (6665449759).

112420121321 is a wasteful number, since it uses less digits than its factorization.

112420121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916763.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 112420121321 its reverse (123121024211), we get a palindrome (235541145532).

The spelling of 112420121321 in words is "one hundred twelve billion, four hundred twenty million, one hundred twenty-one thousand, three hundred twenty-one".