100220121103 has 4 divisors (see below), whose sum is σ = 100317328848. Its totient is φ = 100122913360.

The previous prime is 100220121091. The next prime is 100220121119. The reversal of 100220121103 is 301121022001.

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

It is a cyclic number.

It is not a de Polignac number, because 100220121103 - 2³³ = 91630186511 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 (100220121143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48602326 + ... + 48604387.

It is an arithmetic number, because the mean of its divisors is an integer number (25079332212).

Almost surely, 2^100220121103 is an apocalyptic number.

100220121103 is a deficient number, since it is larger than the sum of its proper divisors (97207745).

100220121103 is an equidigital number, since it uses as much as digits as its factorization.

100220121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97207744.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100220121103 its reverse (301121022001), we get a palindrome (401341143104).

The spelling of 100220121103 in words is "one hundred billion, two hundred twenty million, one hundred twenty-one thousand, one hundred three".