1220322313103 has 2 divisors, whose sum is σ = 1220322313104. Its totient is φ = 1220322313102.

The previous prime is 1220322313099. The next prime is 1220322313129. The reversal of 1220322313103 is 3013132230221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220322313103 - 2² = 1220322313099 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 (1220322313153) 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, 610161156551 + 610161156552.

It is an arithmetic number, because the mean of its divisors is an integer number (610161156552).

Almost surely, 2^{1220322313103} is an apocalyptic number.

1220322313103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220322313103 is an equidigital number, since it uses as much as digits as its factorization.

1220322313103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1220322313103 its reverse (3013132230221), we get a palindrome (4233454543324).

The spelling of 1220322313103 in words is "one trillion, two hundred twenty billion, three hundred twenty-two million, three hundred thirteen thousand, one hundred three".