12221022103 has 2 divisors, whose sum is σ = 12221022104. Its totient is φ = 12221022102.

The previous prime is 12221022083. The next prime is 12221022179. The reversal of 12221022103 is 30122012221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221022103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221022403) 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 as a sum of consecutive naturals, namely, 6110511051 + 6110511052.

It is an arithmetic number, because the mean of its divisors is an integer number (6110511052).

Almost surely, 2^12221022103 is an apocalyptic number.

12221022103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221022103 is an equidigital number, since it uses as much as digits as its factorization.

12221022103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12221022103 its reverse (30122012221), we get a palindrome (42343034324).

It can be divided in two parts, 122 and 21022103, that added together give a square (21022225 = 4585²).

The spelling of 12221022103 in words is "twelve billion, two hundred twenty-one million, twenty-two thousand, one hundred three".