102112103102123 has 4 divisors (see below), whose sum is σ = 102123440082720. Its totient is φ = 102100766121528.

The previous prime is 102112103102101. The next prime is 102112103102129. The reversal of 102112103102123 is 321201301211201.

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 102112103102123 - 2³⁶ = 102043383625387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102112103102095 and 102112103102104.

It is not an unprimeable number, because it can be changed into a prime (102112103102129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5668476788 + ... + 5668494801.

It is an arithmetic number, because the mean of its divisors is an integer number (25530860020680).

Almost surely, 2^{102112103102123} is an apocalyptic number.

102112103102123 is a deficient number, since it is larger than the sum of its proper divisors (11336980597).

102112103102123 is an equidigital number, since it uses as much as digits as its factorization.

102112103102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11336980596.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 102112103102123 its reverse (321201301211201), we get a palindrome (423313404313324).

The spelling of 102112103102123 in words is "one hundred two trillion, one hundred twelve billion, one hundred three million, one hundred two thousand, one hundred twenty-three".