1001222001303 has 32 divisors (see below), whose sum is σ = 1447591219200. Its totient is φ = 613717969920.

The previous prime is 1001222001287. The next prime is 1001222001343. The reversal of 1001222001303 is 3031002221001.

It is not a de Polignac number, because 1001222001303 - 2⁴ = 1001222001287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001222001343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1252026 + ... + 1889447.

It is an arithmetic number, because the mean of its divisors is an integer number (45237225600).

Almost surely, 2^{1001222001303} is an apocalyptic number.

1001222001303 is a deficient number, since it is larger than the sum of its proper divisors (446369217897).

1001222001303 is a wasteful number, since it uses less digits than its factorization.

1001222001303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141679.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1001222001303 its reverse (3031002221001), we get a palindrome (4032224222304).

The spelling of 1001222001303 in words is "one trillion, one billion, two hundred twenty-two million, one thousand, three hundred three".