111111212096 has 56 divisors (see below), whose sum is σ = 222738232704. Its totient is φ = 54988738560.

The previous prime is 111111212071. The next prime is 111111212123. The reversal of 111111212096 is 690212111111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21559856 + ... + 21565008.

Almost surely, 2^111111212096 is an apocalyptic number.

111111212096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111111212096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111369116352).

111111212096 is an abundant number, since it is smaller than the sum of its proper divisors (111627020608).

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

111111212096 is a wasteful number, since it uses less digits than its factorization.

111111212096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8539 (or 8529 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 26.

The spelling of 111111212096 in words is "one hundred eleven billion, one hundred eleven million, two hundred twelve thousand, ninety-six".