100100010103 has 4 divisors (see below), whose sum is σ = 102229797600. Its totient is φ = 97970222608.

The previous prime is 100100010097. The next prime is 100100010121. The reversal of 100100010103 is 301010001001.

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: 301010001001 = 149 ⋅2020201349.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100100010103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101010103) 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, 1064893678 + ... + 1064893771.

It is an arithmetic number, because the mean of its divisors is an integer number (25557449400).

Almost surely, 2^100100010103 is an apocalyptic number.

100100010103 is a deficient number, since it is larger than the sum of its proper divisors (2129787497).

100100010103 is an equidigital number, since it uses as much as digits as its factorization.

100100010103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129787496.

The product of its (nonzero) digits is 3, while the sum is 7.

Adding to 100100010103 its reverse (301010001001), we get a palindrome (401110011104).

The spelling of 100100010103 in words is "one hundred billion, one hundred million, ten thousand, one hundred three".