111000001002 has 16 divisors (see below), whose sum is σ = 242181820512. Its totient is φ = 33636363920.

The previous prime is 111000000959. The next prime is 111000001037. The reversal of 111000001002 is 200100000111.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840909033 + ... + 840909164.

It is an arithmetic number, because the mean of its divisors is an integer number (15136363782).

Almost surely, 2^111000001002 is an apocalyptic number.

111000001002 is an abundant number, since it is smaller than the sum of its proper divisors (131181819510).

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

111000001002 is a wasteful number, since it uses less digits than its factorization.

111000001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681818213.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 111000001002 its reverse (200100000111), we get a palindrome (311100001113).

The spelling of 111000001002 in words is "one hundred eleven billion, one thousand, two".