12221220112103 has 2 divisors, whose sum is σ = 12221220112104. Its totient is φ = 12221220112102.

The previous prime is 12221220112099. The next prime is 12221220112169. The reversal of 12221220112103 is 30121102212221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12221220112103 - 2² = 12221220112099 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221220112403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110610056051 + 6110610056052.

It is an arithmetic number, because the mean of its divisors is an integer number (6110610056052).

Almost surely, 2^{12221220112103} is an apocalyptic number.

12221220112103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221220112103 is an equidigital number, since it uses as much as digits as its factorization.

12221220112103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12221220112103 its reverse (30121102212221), we get a palindrome (42342322324324).

The spelling of 12221220112103 in words is "twelve trillion, two hundred twenty-one billion, two hundred twenty million, one hundred twelve thousand, one hundred three".