122101112012123 has 4 divisors (see below), whose sum is σ = 122365973426928. Its totient is φ = 121836250597320.

The previous prime is 122101112012059. The next prime is 122101112012161. The reversal of 122101112012123 is 321210211101221.

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 122101112012123 - 2⁶ = 122101112012059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122101112012095 and 122101112012104.

It is not an unprimeable number, because it can be changed into a prime (122101112012323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132430706711 + ... + 132430707632.

It is an arithmetic number, because the mean of its divisors is an integer number (30591493356732).

Almost surely, 2^{122101112012123} is an apocalyptic number.

122101112012123 is a deficient number, since it is larger than the sum of its proper divisors (264861414805).

122101112012123 is an equidigital number, since it uses as much as digits as its factorization.

122101112012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264861414804.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 122101112012123 its reverse (321210211101221), we get a palindrome (443311323113344).

The spelling of 122101112012123 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred twelve million, twelve thousand, one hundred twenty-three".