1001001002002 has 32 divisors (see below), whose sum is σ = 1550766591360. Its totient is φ = 484364106240.

The previous prime is 1001001001963. The next prime is 1001001002003. The reversal of 1001001002002 is 2002001001001.

It is not an unprimeable number, because it can be changed into a prime (1001001002003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5549628 + ... + 5727160.

It is an arithmetic number, because the mean of its divisors is an integer number (48461455980).

Almost surely, 2^{1001001002002} is an apocalyptic number.

1001001002002 is a deficient number, since it is larger than the sum of its proper divisors (549765589358).

1001001002002 is a wasteful number, since it uses less digits than its factorization.

1001001002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178338.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1001001002002 its reverse (2002001001001), we get a palindrome (3003002003003).

The spelling of 1001001002002 in words is "one trillion, one billion, one million, two thousand, two".