100010120103 has 12 divisors (see below), whose sum is σ = 148363361848. Its totient is φ = 64871429040.

The previous prime is 100010120081. The next prime is 100010120129. The reversal of 100010120103 is 301021010001.

It is not a de Polignac number, because 100010120103 - 2⁵ = 100010120071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100010120183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150165013 + ... + 150165678.

Almost surely, 2^100010120103 is an apocalyptic number.

100010120103 is a deficient number, since it is larger than the sum of its proper divisors (48353241745).

100010120103 is a wasteful number, since it uses less digits than its factorization.

100010120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300330734 (or 300330731 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 100010120103 its reverse (301021010001), we get a palindrome (401031130104).

The spelling of 100010120103 in words is "one hundred billion, ten million, one hundred twenty thousand, one hundred three".