120111001122123 has 24 divisors (see below), whose sum is σ = 192836873165040. Its totient is φ = 71421064128960.

The previous prime is 120111001122071. The next prime is 120111001122149. The reversal of 120111001122123 is 321221100111021.

It is a happy number.

It is not a de Polignac number, because 120111001122123 - 2⁹ = 120111001121611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120111001122096 and 120111001122105.

It is not an unprimeable number, because it can be changed into a prime (120111001122173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11445678108 + ... + 11445688601.

It is an arithmetic number, because the mean of its divisors is an integer number (8034869715210).

Almost surely, 2^{120111001122123} is an apocalyptic number.

120111001122123 is a deficient number, since it is larger than the sum of its proper divisors (72725872042917).

120111001122123 is a wasteful number, since it uses less digits than its factorization.

120111001122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22891366779 (or 22891366776 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 120111001122123 its reverse (321221100111021), we get a palindrome (441332101233144).

The spelling of 120111001122123 in words is "one hundred twenty trillion, one hundred eleven billion, one million, one hundred twenty-two thousand, one hundred twenty-three".