100123110101 has 4 divisors (see below), whose sum is σ = 114426411552. Its totient is φ = 85819808652.

The previous prime is 100123110091. The next prime is 100123110119. The reversal of 100123110101 is 101011321001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101011321001 = 607 ⋅166410743.

It is a cyclic number.

It is not a de Polignac number, because 100123110101 - 2³⁰ = 99049368277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123110301) 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, 7151650715 + ... + 7151650728.

It is an arithmetic number, because the mean of its divisors is an integer number (28606602888).

Almost surely, 2^100123110101 is an apocalyptic number.

It is an amenable number.

100123110101 is a deficient number, since it is larger than the sum of its proper divisors (14303301451).

100123110101 is an equidigital number, since it uses as much as digits as its factorization.

100123110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14303301450.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 100123110101 its reverse (101011321001), we get a palindrome (201134431102).

The spelling of 100123110101 in words is "one hundred billion, one hundred twenty-three million, one hundred ten thousand, one hundred one".