103111112012123 has 8 divisors (see below), whose sum is σ = 108544939000320. Its totient is φ = 97677977659560.

The previous prime is 103111112012119. The next prime is 103111112012179. The reversal of 103111112012123 is 321210211111301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103111112012123 - 2² = 103111112012119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103111112012095 and 103111112012104.

It is not an unprimeable number, because it can be changed into a prime (103111112012423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172853315 + ... + 173448812.

It is an arithmetic number, because the mean of its divisors is an integer number (13568117375040).

Almost surely, 2^{103111112012123} is an apocalyptic number.

103111112012123 is a deficient number, since it is larger than the sum of its proper divisors (5433826988197).

103111112012123 is a wasteful number, since it uses less digits than its factorization.

103111112012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346317817.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 103111112012123 its reverse (321210211111301), we get a palindrome (424321323123424).

The spelling of 103111112012123 in words is "one hundred three trillion, one hundred eleven billion, one hundred twelve million, twelve thousand, one hundred twenty-three".