111111002002 has 64 divisors (see below), whose sum is σ = 223874380800. Its totient is φ = 39942434880.

The previous prime is 111111001997. The next prime is 111111002011. The reversal of 111111002002 is 200200111111.

It is a self number, because there is not a number n which added to its sum of digits gives 111111002002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5072149 + ... + 5094007.

It is an arithmetic number, because the mean of its divisors is an integer number (3498037200).

Almost surely, 2^111111002002 is an apocalyptic number.

111111002002 is an abundant number, since it is smaller than the sum of its proper divisors (112763378798).

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

111111002002 is a wasteful number, since it uses less digits than its factorization.

111111002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24431.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111111002002 its reverse (200200111111), we get a palindrome (311311113113).

The spelling of 111111002002 in words is "one hundred eleven billion, one hundred eleven million, two thousand, two".