1001222002303 has 4 divisors (see below), whose sum is σ = 1005967130488. Its totient is φ = 996476874120.

The previous prime is 1001222002247. The next prime is 1001222002331. The reversal of 1001222002303 is 3032002221001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001222002303 - 2²¹ = 1001219905151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001222002393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372563776 + ... + 2372564197.

It is an arithmetic number, because the mean of its divisors is an integer number (251491782622).

Almost surely, 2^{1001222002303} is an apocalyptic number.

1001222002303 is a deficient number, since it is larger than the sum of its proper divisors (4745128185).

1001222002303 is an equidigital number, since it uses as much as digits as its factorization.

1001222002303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745128184.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1001222002303 its reverse (3032002221001), we get a palindrome (4033224223304).

The spelling of 1001222002303 in words is "one trillion, one billion, two hundred twenty-two million, two thousand, three hundred three".