112123121003 has 2 divisors, whose sum is σ = 112123121004. Its totient is φ = 112123121002.

The previous prime is 112123120999. The next prime is 112123121009. The reversal of 112123121003 is 300121321211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112123121003 - 2² = 112123120999 is a prime.

It is not a weakly prime, because it can be changed into another prime (112123121009) 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 as a sum of consecutive naturals, namely, 56061560501 + 56061560502.

It is an arithmetic number, because the mean of its divisors is an integer number (56061560502).

Almost surely, 2^112123121003 is an apocalyptic number.

112123121003 is a deficient number, since it is larger than the sum of its proper divisors (1).

112123121003 is an equidigital number, since it uses as much as digits as its factorization.

112123121003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 112123121003 its reverse (300121321211), we get a palindrome (412244442214).

The spelling of 112123121003 in words is "one hundred twelve billion, one hundred twenty-three million, one hundred twenty-one thousand, three".