1001111110002 has 48 divisors (see below), whose sum is σ = 2204974351008. Its totient is φ = 328225672320.

The previous prime is 1001111109989. The next prime is 1001111110039. The reversal of 1001111110002 is 2000111111001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1612128 + ... + 2145035.

It is an arithmetic number, because the mean of its divisors is an integer number (45936965646).

Almost surely, 2^{1001111110002} is an apocalyptic number.

1001111110002 is an abundant number, since it is smaller than the sum of its proper divisors (1203863241006).

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

1001111110002 is a wasteful number, since it uses less digits than its factorization.

1001111110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757415 (or 3757412 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1001111110002 its reverse (2000111111001), we get a palindrome (3001222221003).

Subtracting 1001111110002 from its reverse (2000111111001), we obtain a palindrome (999000000999).

The spelling of 1001111110002 in words is "one trillion, one billion, one hundred eleven million, one hundred ten thousand, two".