112121228473 has 4 divisors (see below), whose sum is σ = 113231339748. Its totient is φ = 111011117200.

The previous prime is 112121228449. The next prime is 112121228509. The reversal of 112121228473 is 374822121211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374822121211 = 101 ⋅3711110111.

It can be written as a sum of positive squares in 2 ways, for example, as 94915134889 + 17206093584 = 308083^2 + 131172^2 .

It is a cyclic number.

It is not a de Polignac number, because 112121228473 - 2²¹ = 112119131321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121028473) 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 3 ways as a sum of consecutive naturals, for example, 555055486 + ... + 555055687.

It is an arithmetic number, because the mean of its divisors is an integer number (28307834937).

Almost surely, 2^112121228473 is an apocalyptic number.

It is an amenable number.

112121228473 is a deficient number, since it is larger than the sum of its proper divisors (1110111275).

112121228473 is a wasteful number, since it uses less digits than its factorization.

112121228473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110111274.

The product of its digits is 10752, while the sum is 34.

Adding to 112121228473 its reverse (374822121211), we get a palindrome (486943349684).

The spelling of 112121228473 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred twenty-eight thousand, four hundred seventy-three".