111121012002112 has 28 divisors (see below), whose sum is σ = 252006580791520. Its totient is φ = 47623290857856.

The previous prime is 111121012002079. The next prime is 111121012002149. The reversal of 111121012002112 is 211200210121111.

It is a tau number, because it is divible by the number of its divisors (28).

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

It is a congruent number.

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, 124018986162 + ... + 124018987057.

Almost surely, 2^{111121012002112} is an apocalyptic number.

It is an amenable number.

111121012002112 is an abundant number, since it is smaller than the sum of its proper divisors (140885568789408).

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

111121012002112 is an equidigital number, since it uses as much as digits as its factorization.

111121012002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248037973238 (or 248037973228 counting only the distinct ones).

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

Adding to 111121012002112 its reverse (211200210121111), we get a palindrome (322321222123223).

The spelling of 111121012002112 in words is "one hundred eleven trillion, one hundred twenty-one billion, twelve million, two thousand, one hundred twelve".