1001220222103 has 2 divisors, whose sum is σ = 1001220222104. Its totient is φ = 1001220222102.

The previous prime is 1001220222091. The next prime is 1001220222127. The reversal of 1001220222103 is 3012220221001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3012220221001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1001220222103 - 2⁹ = 1001220221591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001220222133) 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, 500610111051 + 500610111052.

It is an arithmetic number, because the mean of its divisors is an integer number (500610111052).

Almost surely, 2^{1001220222103} is an apocalyptic number.

1001220222103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001220222103 is an equidigital number, since it uses as much as digits as its factorization.

1001220222103 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 1001220222103 its reverse (3012220221001), we get a palindrome (4013440443104).

The spelling of 1001220222103 in words is "one trillion, one billion, two hundred twenty million, two hundred twenty-two thousand, one hundred three".