100101103123 has 4 divisors (see below), whose sum is σ = 114401260720. Its totient is φ = 85800945528.

The previous prime is 100101103057. The next prime is 100101103139. The reversal of 100101103123 is 321301101001.

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 100101103123 - 2¹⁷ = 100100972051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100101103183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7150078788 + ... + 7150078801.

It is an arithmetic number, because the mean of its divisors is an integer number (28600315180).

Almost surely, 2^100101103123 is an apocalyptic number.

100101103123 is a deficient number, since it is larger than the sum of its proper divisors (14300157597).

100101103123 is an equidigital number, since it uses as much as digits as its factorization.

100101103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14300157596.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 100101103123 its reverse (321301101001), we get a palindrome (421402204124).

The spelling of 100101103123 in words is "one hundred billion, one hundred one million, one hundred three thousand, one hundred twenty-three".