10002001011002 has 64 divisors (see below), whose sum is σ = 21019711555584. Its totient is φ = 3440726562240.

The previous prime is 10002001011001. The next prime is 10002001011031. The reversal of 10002001011002 is 20011010020001.

It is not an unprimeable number, because it can be changed into a prime (10002001011001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108562748 + ... + 108654839.

It is an arithmetic number, because the mean of its divisors is an integer number (328432993056).

Almost surely, 2^{10002001011002} is an apocalyptic number.

10002001011002 is an abundant number, since it is smaller than the sum of its proper divisors (11017710544582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10002001011002 is a wasteful number, since it uses less digits than its factorization.

10002001011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217217643.

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

Adding to 10002001011002 its reverse (20011010020001), we get a palindrome (30013011031003).

The spelling of 10002001011002 in words is "ten trillion, two billion, one million, eleven thousand, two".