101130110123 has 4 divisors (see below), whose sum is σ = 115577268720. Its totient is φ = 86682951528.

The previous prime is 101130110101. The next prime is 101130110129. The reversal of 101130110123 is 321011031101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321011031101 = 21773 ⋅14743537.

It is a cyclic number.

It is not a de Polignac number, because 101130110123 - 2¹² = 101130106027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101130110098 and 101130110107.

It is not an unprimeable number, because it can be changed into a prime (101130110129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7223579288 + ... + 7223579301.

It is an arithmetic number, because the mean of its divisors is an integer number (28894317180).

Almost surely, 2^101130110123 is an apocalyptic number.

101130110123 is a deficient number, since it is larger than the sum of its proper divisors (14447158597).

101130110123 is an equidigital number, since it uses as much as digits as its factorization.

101130110123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14447158596.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 101130110123 its reverse (321011031101), we get a palindrome (422141141224).

The spelling of 101130110123 in words is "one hundred one billion, one hundred thirty million, one hundred ten thousand, one hundred twenty-three".