1001220010003 has 2 divisors, whose sum is σ = 1001220010004. Its totient is φ = 1001220010002.

The previous prime is 1001220010001. The next prime is 1001220010069. The reversal of 1001220010003 is 3000100221001.

1001220010003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001220010003 - 2¹ = 1001220010001 is a prime.

Together with 1001220010001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1001220010001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500610005001 + 500610005002.

It is an arithmetic number, because the mean of its divisors is an integer number (500610005002).

Almost surely, 2^{1001220010003} is an apocalyptic number.

1001220010003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001220010003 is an equidigital number, since it uses as much as digits as its factorization.

1001220010003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1001220010003 its reverse (3000100221001), we get a palindrome (4001320231004).

The spelling of 1001220010003 in words is "one trillion, one billion, two hundred twenty million, ten thousand, three".