111100111001002 has 16 divisors (see below), whose sum is σ = 166668477796512. Its totient is φ = 55543952035440.

The previous prime is 111100111000999. The next prime is 111100111001003. The reversal of 111100111001002 is 200100111001111.

It is a self number, because there is not a number n which added to its sum of digits gives 111100111001002.

It is not an unprimeable number, because it can be changed into a prime (111100111001003) 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, 1270819252 + ... + 1270906672.

It is an arithmetic number, because the mean of its divisors is an integer number (10416779862282).

Almost surely, 2^{111100111001002} is an apocalyptic number.

111100111001002 is a deficient number, since it is larger than the sum of its proper divisors (55568366795510).

111100111001002 is a wasteful number, since it uses less digits than its factorization.

111100111001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149973.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111100111001002 its reverse (200100111001111), we get a palindrome (311200222002113).

The spelling of 111100111001002 in words is "one hundred eleven trillion, one hundred billion, one hundred eleven million, one thousand, two".