1002001002011 has 8 divisors (see below), whose sum is σ = 1045667698080. Its totient is φ = 958342758912.

The previous prime is 1002001001971. The next prime is 1002001002043. The reversal of 1002001002011 is 1102001002001.

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

It is a cyclic number.

It is not a de Polignac number, because 1002001002011 - 2³⁰ = 1000927260187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002001002011.

It is not an unprimeable number, because it can be changed into a prime (1002001002811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870406 + ... + 2345723.

It is an arithmetic number, because the mean of its divisors is an integer number (130708462260).

Almost surely, 2^{1002001002011} is an apocalyptic number.

1002001002011 is a deficient number, since it is larger than the sum of its proper divisors (43666696069).

1002001002011 is a wasteful number, since it uses less digits than its factorization.

1002001002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226485.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1002001002011 its reverse (1102001002001), we get a palindrome (2104002004012).

The spelling of 1002001002011 in words is "one trillion, two billion, one million, two thousand, eleven".