1001001100002 has 16 divisors (see below), whose sum is σ = 2003380057920. Its totient is φ = 333437390352.

The previous prime is 1001001099997. The next prime is 1001001100003. The reversal of 1001001100002 is 2000011001001.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (1001001100003) 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, 57401302 + ... + 57418737.

It is an arithmetic number, because the mean of its divisors is an integer number (125211253620).

Almost surely, 2^{1001001100002} is an apocalyptic number.

1001001100002 is an abundant number, since it is smaller than the sum of its proper divisors (1002378957918).

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

1001001100002 is a wasteful number, since it uses less digits than its factorization.

1001001100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114821497.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 1001001100002 its reverse (2000011001001), we get a palindrome (3001012101003).

Subtracting 1001001100002 from its reverse (2000011001001), we obtain a palindrome (999009900999).

The spelling of 1001001100002 in words is "one trillion, one billion, one million, one hundred thousand, two".