2001111112002 has 16 divisors (see below), whose sum is σ = 4077735851520. Its totient is φ = 654451432752.

The previous prime is 2001111111991. The next prime is 2001111112009. The reversal of 2001111112002 is 2002111111002.

It is not an unprimeable number, because it can be changed into a prime (2001111112009) 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, 3146400802 + ... + 3146401437.

It is an arithmetic number, because the mean of its divisors is an integer number (254858490720).

Almost surely, 2^{2001111112002} is an apocalyptic number.

2001111112002 is an abundant number, since it is smaller than the sum of its proper divisors (2076624739518).

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

2001111112002 is a wasteful number, since it uses less digits than its factorization.

2001111112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292802297.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2001111112002 its reverse (2002111111002), we get a palindrome (4003222223004).

The spelling of 2001111112002 in words is "two trillion, one billion, one hundred eleven million, one hundred twelve thousand, two".