1001202021003 has 8 divisors (see below), whose sum is σ = 1335070896016. Its totient is φ = 667400580000.

The previous prime is 1001202020953. The next prime is 1001202021023. The reversal of 1001202021003 is 3001202021001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1001202021003 - 2⁶ = 1001202020939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001202021003.

It is not an unprimeable number, because it can be changed into a prime (1001202021023) 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 in 7 ways as a sum of consecutive naturals, for example, 16823848 + ... + 16883253.

It is an arithmetic number, because the mean of its divisors is an integer number (166883862002).

Almost surely, 2^{1001202021003} is an apocalyptic number.

1001202021003 is a deficient number, since it is larger than the sum of its proper divisors (333868875013).

1001202021003 is an equidigital number, since it uses as much as digits as its factorization.

1001202021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33717005.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1001202021003 its reverse (3001202021001), we get a palindrome (4002404042004).

The spelling of 1001202021003 in words is "one trillion, one billion, two hundred two million, twenty-one thousand, three".