12122110121103 has 12 divisors (see below), whose sum is σ = 17548029099328. Its totient is φ = 8063723141280.

The previous prime is 12122110121101. The next prime is 12122110121141. The reversal of 12122110121103 is 30112101122121.

It is a happy number.

It is not a de Polignac number, because 12122110121103 - 2¹ = 12122110121101 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 (12122110121101) 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 11 ways as a sum of consecutive naturals, for example, 1473629503 + ... + 1473637728.

Almost surely, 2^{12122110121103} is an apocalyptic number.

12122110121103 is a deficient number, since it is larger than the sum of its proper divisors (5425918978225).

12122110121103 is a wasteful number, since it uses less digits than its factorization.

12122110121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947267694 (or 2947267691 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12122110121103 its reverse (30112101122121), we get a palindrome (42234211243224).

The spelling of 12122110121103 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, one hundred twenty-one thousand, one hundred three".