111121101012112 has 80 divisors (see below), whose sum is σ = 225089463780864. Its totient is φ = 53082489600000.

The previous prime is 111121101012109. The next prime is 111121101012161. The reversal of 111121101012112 is 211210101121111.

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 15 ways as a sum of consecutive naturals, for example, 14187112 + ... + 20579512.

Almost surely, 2^{111121101012112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111121101012112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112544731890432).

111121101012112 is an abundant number, since it is smaller than the sum of its proper divisors (113968362768752).

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

111121101012112 is a wasteful number, since it uses less digits than its factorization.

111121101012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392888 (or 6392882 counting only the distinct ones).

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

Adding to 111121101012112 its reverse (211210101121111), we get a palindrome (322331202133223).

The spelling of 111121101012112 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred one million, twelve thousand, one hundred twelve".