1101221110209 has 32 divisors (see below), whose sum is σ = 1618090535808. Its totient is φ = 660612800000.

The previous prime is 1101221110207. The next prime is 1101221110237. The reversal of 1101221110209 is 9020111221011.

It is a cyclic number.

It is not a de Polignac number, because 1101221110209 - 2¹ = 1101221110207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101221110207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12290797 + ... + 12380069.

It is an arithmetic number, because the mean of its divisors is an integer number (50565329244).

Almost surely, 2^{1101221110209} is an apocalyptic number.

It is an amenable number.

1101221110209 is a deficient number, since it is larger than the sum of its proper divisors (516869425599).

1101221110209 is a wasteful number, since it uses less digits than its factorization.

1101221110209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93089.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 1101221110209 in words is "one trillion, one hundred one billion, two hundred twenty-one million, one hundred ten thousand, two hundred nine".