11001112002 has 48 divisors (see below), whose sum is σ = 24425681280. Its totient is φ = 3576527136.

The previous prime is 11001111973. The next prime is 11001112007. The reversal of 11001112002 is 20021110011.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (11001112007) 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 23 ways as a sum of consecutive naturals, for example, 538743 + ... + 558789.

It is an arithmetic number, because the mean of its divisors is an integer number (508868360).

Almost surely, 2^11001112002 is an apocalyptic number.

11001112002 is an abundant number, since it is smaller than the sum of its proper divisors (13424569278).

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

11001112002 is a wasteful number, since it uses less digits than its factorization.

11001112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20807 (or 20804 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11001112002 its reverse (20021110011), we get a palindrome (31022222013).

The spelling of 11001112002 in words is "eleven billion, one million, one hundred twelve thousand, two".