100120120103 has 16 divisors (see below), whose sum is σ = 102187717632. Its totient is φ = 98079120000.

The previous prime is 100120120073. The next prime is 100120120153. The reversal of 100120120103 is 301021021001.

It is a cyclic number.

It is not a de Polignac number, because 100120120103 - 2⁶ = 100120120039 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 (100120120153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3734918 + ... + 3761628.

It is an arithmetic number, because the mean of its divisors is an integer number (6386732352).

Almost surely, 2^100120120103 is an apocalyptic number.

100120120103 is a deficient number, since it is larger than the sum of its proper divisors (2067597529).

100120120103 is a wasteful number, since it uses less digits than its factorization.

100120120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27206.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100120120103 its reverse (301021021001), we get a palindrome (401141141104).

The spelling of 100120120103 in words is "one hundred billion, one hundred twenty million, one hundred twenty thousand, one hundred three".