111111201012112 has 20 divisors (see below), whose sum is σ = 246031945098496. Its totient is φ = 47619086148000.

The previous prime is 111111201012079. The next prime is 111111201012137. The reversal of 111111201012112 is 211210102111111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496032147264 + ... + 496032147487.

Almost surely, 2^{111111201012112} is an apocalyptic number.

It is an amenable number.

111111201012112 is an abundant number, since it is smaller than the sum of its proper divisors (134920744086384).

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

111111201012112 is an equidigital number, since it uses as much as digits as its factorization.

111111201012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992064294766 (or 992064294760 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111111201012112 its reverse (211210102111111), we get a palindrome (322321303123223).

The spelling of 111111201012112 in words is "one hundred eleven trillion, one hundred eleven billion, two hundred one million, twelve thousand, one hundred twelve".