1100221222209 has 16 divisors (see below), whose sum is σ = 1480631959872. Its totient is φ = 726651688448.

The previous prime is 1100221222181. The next prime is 1100221222241. The reversal of 1100221222209 is 9022221220011.

It is a cyclic number.

It is not a de Polignac number, because 1100221222209 - 2¹² = 1100221218113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100221223209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23847 + ... + 1483580.

It is an arithmetic number, because the mean of its divisors is an integer number (92539497492).

Almost surely, 2^{1100221222209} is an apocalyptic number.

It is an amenable number.

1100221222209 is a deficient number, since it is larger than the sum of its proper divisors (380410737663).

1100221222209 is a wasteful number, since it uses less digits than its factorization.

1100221222209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509696.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 1100221222209 in words is "one trillion, one hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred nine".