111012112011102 has 16 divisors (see below), whose sum is σ = 227187578069760. Its totient is φ = 36143478329112.

The previous prime is 111012112011049. The next prime is 111012112011103. The reversal of 111012112011102 is 201110211210111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012112011103) 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 7 ways as a sum of consecutive naturals, for example, 215139751702 + ... + 215139752217.

It is an arithmetic number, because the mean of its divisors is an integer number (14199223629360).

Almost surely, 2^{111012112011102} is an apocalyptic number.

111012112011102 is an abundant number, since it is smaller than the sum of its proper divisors (116175466058658).

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

111012112011102 is a wasteful number, since it uses less digits than its factorization.

111012112011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430279503967.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111012112011102 its reverse (201110211210111), we get a palindrome (312122323221213).

The spelling of 111012112011102 in words is "one hundred eleven trillion, twelve billion, one hundred twelve million, eleven thousand, one hundred two".