1111221111096 has 128 divisors (see below), whose sum is σ = 3231225792000. Its totient is φ = 353169932544.

The previous prime is 1111221111047. The next prime is 1111221111097. The reversal of 1111221111096 is 6901111221111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111221111097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1197675 + ... + 1912293.

It is an arithmetic number, because the mean of its divisors is an integer number (25243951500).

Almost surely, 2^{1111221111096} 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 1111221111096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615612896000).

1111221111096 is an abundant number, since it is smaller than the sum of its proper divisors (2120004680904).

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

1111221111096 is a wasteful number, since it uses less digits than its factorization.

1111221111096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714970 (or 714960 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 27.

The spelling of 1111221111096 in words is "one trillion, one hundred eleven billion, two hundred twenty-one million, one hundred eleven thousand, ninety-six".