112120202102123 has 4 divisors (see below), whose sum is σ = 112189885262280. Its totient is φ = 112050518941968.

The previous prime is 112120202102107. The next prime is 112120202102159. The reversal of 112120202102123 is 321201202021211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112120202102123 - 2⁴ = 112120202102107 is a prime.

It is a super-2 number, since 2×112120202102123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112120202102095 and 112120202102104.

It is not an unprimeable number, because it can be changed into a prime (112120202162123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34841577665 + ... + 34841580882.

It is an arithmetic number, because the mean of its divisors is an integer number (28047471315570).

Almost surely, 2^{112120202102123} is an apocalyptic number.

112120202102123 is a deficient number, since it is larger than the sum of its proper divisors (69683160157).

112120202102123 is an equidigital number, since it uses as much as digits as its factorization.

112120202102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69683160156.

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

Adding to 112120202102123 its reverse (321201202021211), we get a palindrome (433321404123334).

The spelling of 112120202102123 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred two million, one hundred two thousand, one hundred twenty-three".