112506208121 has 2 divisors, whose sum is σ = 112506208122. Its totient is φ = 112506208120.

The previous prime is 112506208103. The next prime is 112506208147. The reversal of 112506208121 is 121802605211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70843274896 + 41662933225 = 266164^2 + 204115^2 .

It is a cyclic number.

It is not a de Polignac number, because 112506208121 - 2⁶ = 112506208057 is a prime.

It is a super-4 number, since 4×112506208121⁴ (a number of 45 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (112506208181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56253104060 + 56253104061.

It is an arithmetic number, because the mean of its divisors is an integer number (56253104061).

Almost surely, 2^112506208121 is an apocalyptic number.

It is an amenable number.

112506208121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112506208121 is an equidigital number, since it uses as much as digits as its factorization.

112506208121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 29.

The spelling of 112506208121 in words is "one hundred twelve billion, five hundred six million, two hundred eight thousand, one hundred twenty-one".