100103110221 has 4 divisors (see below), whose sum is σ = 133470813632. Its totient is φ = 66735406812.

The previous prime is 100103110213. The next prime is 100103110253. The reversal of 100103110221 is 122011301001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 100103110221 - 2³ = 100103110213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100103110197 and 100103110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100103110021) 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, 16683851701 + ... + 16683851706.

It is an arithmetic number, because the mean of its divisors is an integer number (33367703408).

Almost surely, 2^100103110221 is an apocalyptic number.

It is an amenable number.

100103110221 is a deficient number, since it is larger than the sum of its proper divisors (33367703411).

100103110221 is an equidigital number, since it uses as much as digits as its factorization.

100103110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33367703410.

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

Adding to 100103110221 its reverse (122011301001), we get a palindrome (222114411222).

The spelling of 100103110221 in words is "one hundred billion, one hundred three million, one hundred ten thousand, two hundred twenty-one".