111001000111002 has 48 divisors (see below), whose sum is σ = 246377584089000. Its totient is φ = 36096492710400.

The previous prime is 111001000110901. The next prime is 111001000111003. The reversal of 111001000111002 is 200111000100111.

It can be written as a sum of positive squares in 4 ways, for example, as 84047988437361 + 26953011673641 = 9167769^2 + 5191629^2 .

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 (111001000111003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16313374 + ... + 22093622.

Almost surely, 2^{111001000111002} is an apocalyptic number.

111001000111002 is an abundant number, since it is smaller than the sum of its proper divisors (135376583977998).

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

111001000111002 is a wasteful number, since it uses less digits than its factorization.

111001000111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806319 (or 5806316 counting only the distinct ones).

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

Adding to 111001000111002 its reverse (200111000100111), we get a palindrome (311112000211113).

The spelling of 111001000111002 in words is "one hundred eleven trillion, one billion, one hundred eleven thousand, two".