1222131103 has 2 divisors, whose sum is σ = 1222131104. Its totient is φ = 1222131102.

The previous prime is 1222131089. The next prime is 1222131181. The reversal of 1222131103 is 3011312221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222131103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222131193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611065551 + 611065552.

It is an arithmetic number, because the mean of its divisors is an integer number (611065552).

Almost surely, 2^1222131103 is an apocalyptic number.

1222131103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222131103 is an equidigital number, since it uses as much as digits as its factorization.

1222131103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1222131103 is about 34958.9917331722. The cubic root of 1222131103 is about 1069.1515395171.

Adding to 1222131103 its reverse (3011312221), we get a palindrome (4233443324).

The spelling of 1222131103 in words is "one billion, two hundred twenty-two million, one hundred thirty-one thousand, one hundred three".