1100111221099 has 8 divisors (see below), whose sum is σ = 1200133910592. Its totient is φ = 1000090628040.

The previous prime is 1100111221061. The next prime is 1100111221127. The reversal of 1100111221099 is 9901221110011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1100111221099 - 2²¹ = 1100109123947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100111221499) 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 7 ways as a sum of consecutive naturals, for example, 696772 + ... + 1638814.

It is an arithmetic number, because the mean of its divisors is an integer number (150016738824).

Almost surely, 2^{1100111221099} is an apocalyptic number.

1100111221099 is a deficient number, since it is larger than the sum of its proper divisors (100022689493).

1100111221099 is a wasteful number, since it uses less digits than its factorization.

1100111221099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048217.

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 1100111221099 in words is "one trillion, one hundred billion, one hundred eleven million, two hundred twenty-one thousand, ninety-nine".