100320120103 has 4 divisors (see below), whose sum is σ = 114651565840. Its totient is φ = 85988674368.

The previous prime is 100320120101. The next prime is 100320120139. The reversal of 100320120103 is 301021023001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301021023001 = 43 ⋅7000488907.

It is a cyclic number.

It is not a de Polignac number, because 100320120103 - 2¹ = 100320120101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100320120101) 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, 7165722858 + ... + 7165722871.

It is an arithmetic number, because the mean of its divisors is an integer number (28662891460).

Almost surely, 2^100320120103 is an apocalyptic number.

100320120103 is a deficient number, since it is larger than the sum of its proper divisors (14331445737).

100320120103 is an equidigital number, since it uses as much as digits as its factorization.

100320120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14331445736.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100320120103 its reverse (301021023001), we get a palindrome (401341143104).

The spelling of 100320120103 in words is "one hundred billion, three hundred twenty million, one hundred twenty thousand, one hundred three".