12102221030103 has 18 divisors (see below), whose sum is σ = 17564227434312. Its totient is φ = 8029909422360.

The previous prime is 12102221030099. The next prime is 12102221030129. The reversal of 12102221030103 is 30103012220121.

It is not a de Polignac number, because 12102221030103 - 2² = 12102221030099 is a prime.

It is a super-2 number, since 2×12102221030103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102221030183) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14701075 + ... + 15502452.

Almost surely, 2^{12102221030103} is an apocalyptic number.

12102221030103 is a deficient number, since it is larger than the sum of its proper divisors (5462006404209).

12102221030103 is an equidigital number, since it uses as much as digits as its factorization.

12102221030103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30203955 (or 30203741 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12102221030103 its reverse (30103012220121), we get a palindrome (42205233250224).

The spelling of 12102221030103 in words is "twelve trillion, one hundred two billion, two hundred twenty-one million, thirty thousand, one hundred three".