112120222121123 has 2 divisors, whose sum is σ = 112120222121124. Its totient is φ = 112120222121122.

The previous prime is 112120222121111. The next prime is 112120222121143. The reversal of 112120222121123 is 321121222021211.

It is a weak prime.

It is an emirp because it is prime and its reverse (321121222021211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112120222121123 - 2¹² = 112120222117027 is a prime.

It is a super-2 number, since 2×112120222121123² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112120222121143) 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 as a sum of consecutive naturals, namely, 56060111060561 + 56060111060562.

It is an arithmetic number, because the mean of its divisors is an integer number (56060111060562).

Almost surely, 2^{112120222121123} is an apocalyptic number.

112120222121123 is a deficient number, since it is larger than the sum of its proper divisors (1).

112120222121123 is an equidigital number, since it uses as much as digits as its factorization.

112120222121123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 112120222121123 its reverse (321121222021211), we get a palindrome (433241444142334).

The spelling of 112120222121123 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-three".