111111000010002 has 24 divisors (see below), whose sum is σ = 241162112128080. Its totient is φ = 36972136602360.

The previous prime is 111111000010001. The next prime is 111111000010051. The reversal of 111111000010002 is 200010000111111.

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 (111111000010001) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5405272852 + ... + 5405293407.

It is an arithmetic number, because the mean of its divisors is an integer number (10048421338670).

Almost surely, 2^{111111000010002} is an apocalyptic number.

111111000010002 is an abundant number, since it is smaller than the sum of its proper divisors (130051112118078).

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

111111000010002 is a wasteful number, since it uses less digits than its factorization.

111111000010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10810566838 (or 10810566835 counting only the distinct ones).

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

Adding to 111111000010002 its reverse (200010000111111), we get a palindrome (311121000121113).

The spelling of 111111000010002 in words is "one hundred eleven trillion, one hundred eleven billion, ten thousand, two".