101110112123 has 4 divisors (see below), whose sum is σ = 102389987040. Its totient is φ = 99830237208.

The previous prime is 101110112111. The next prime is 101110112149. The reversal of 101110112123 is 321211011101.

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 101110112123 - 2²² = 101105917819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101110112098 and 101110112107.

It is not an unprimeable number, because it can be changed into a prime (101110112153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639937340 + ... + 639937497.

It is an arithmetic number, because the mean of its divisors is an integer number (25597496760).

Almost surely, 2^101110112123 is an apocalyptic number.

101110112123 is a deficient number, since it is larger than the sum of its proper divisors (1279874917).

101110112123 is an equidigital number, since it uses as much as digits as its factorization.

101110112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279874916.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 101110112123 its reverse (321211011101), we get a palindrome (422321123224).

The spelling of 101110112123 in words is "one hundred one billion, one hundred ten million, one hundred twelve thousand, one hundred twenty-three".