12222121103 has 2 divisors, whose sum is σ = 12222121104. Its totient is φ = 12222121102.

The previous prime is 12222121073. The next prime is 12222121147. The reversal of 12222121103 is 30112122221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12222121103 - 2¹² = 12222117007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222121603) 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 as a sum of consecutive naturals, namely, 6111060551 + 6111060552.

It is an arithmetic number, because the mean of its divisors is an integer number (6111060552).

Almost surely, 2^12222121103 is an apocalyptic number.

12222121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222121103 is an equidigital number, since it uses as much as digits as its factorization.

12222121103 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 17.

Adding to 12222121103 its reverse (30112122221), we get a palindrome (42334243324).

The spelling of 12222121103 in words is "twelve billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred three".