12221103312103 has 4 divisors (see below), whose sum is σ = 13966975213840. Its totient is φ = 10475231410368.

The previous prime is 12221103312079. The next prime is 12221103312113. The reversal of 12221103312103 is 30121330112221.

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 12221103312103 - 2⁵ = 12221103312071 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 (12221103312113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872935950858 + ... + 872935950871.

It is an arithmetic number, because the mean of its divisors is an integer number (3491743803460).

Almost surely, 2^{12221103312103} is an apocalyptic number.

12221103312103 is a deficient number, since it is larger than the sum of its proper divisors (1745871901737).

12221103312103 is an equidigital number, since it uses as much as digits as its factorization.

12221103312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745871901736.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12221103312103 its reverse (30121330112221), we get a palindrome (42342433424324).

The spelling of 12221103312103 in words is "twelve trillion, two hundred twenty-one billion, one hundred three million, three hundred twelve thousand, one hundred three".