100220120103 has 4 divisors (see below), whose sum is σ = 133626826808. Its totient is φ = 66813413400.

The previous prime is 100220120083. The next prime is 100220120113. The reversal of 100220120103 is 301021022001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100220120103 - 2⁵ = 100220120071 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 (100220120113) 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, 16703353348 + ... + 16703353353.

It is an arithmetic number, because the mean of its divisors is an integer number (33406706702).

Almost surely, 2^100220120103 is an apocalyptic number.

100220120103 is a deficient number, since it is larger than the sum of its proper divisors (33406706705).

100220120103 is an equidigital number, since it uses as much as digits as its factorization.

100220120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33406706704.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 100220120103 its reverse (301021022001), we get a palindrome (401241142104).

The spelling of 100220120103 in words is "one hundred billion, two hundred twenty million, one hundred twenty thousand, one hundred three".