112220121223123 has 2 divisors, whose sum is σ = 112220121223124. Its totient is φ = 112220121223122.

The previous prime is 112220121223087. The next prime is 112220121223169. The reversal of 112220121223123 is 321322121022211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112220121223123 - 2⁹ = 112220121222611 is a prime.

It is a super-4 number, since 4×112220121223123⁴ (a number of 57 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (112220121223723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110060611561 + 56110060611562.

It is an arithmetic number, because the mean of its divisors is an integer number (56110060611562).

Almost surely, 2^{112220121223123} is an apocalyptic number.

112220121223123 is a deficient number, since it is larger than the sum of its proper divisors (1).

112220121223123 is an equidigital number, since it uses as much as digits as its factorization.

112220121223123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 112220121223123 its reverse (321322121022211), we get a palindrome (433542242245334).

The spelling of 112220121223123 in words is "one hundred twelve trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty-three thousand, one hundred twenty-three".