1101221223 has 16 divisors (see below), whose sum is σ = 1568936160. Its totient is φ = 684619776.

The previous prime is 1101221197. The next prime is 1101221311. The reversal of 1101221223 is 3221221011.

It is not a de Polignac number, because 1101221223 - 2¹⁶ = 1101155687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101221123) 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, 93490 + ... + 104607.

It is an arithmetic number, because the mean of its divisors is an integer number (98058510).

Almost surely, 2^1101221223 is an apocalyptic number.

1101221223 is a deficient number, since it is larger than the sum of its proper divisors (467714937).

1101221223 is a wasteful number, since it uses less digits than its factorization.

1101221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198226.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1101221223 is about 33184.6534259437. The cubic root of 1101221223 is about 1032.6619875726.

Adding to 1101221223 its reverse (3221221011), we get a palindrome (4322442234).

The spelling of 1101221223 in words is "one billion, one hundred one million, two hundred twenty-one thousand, two hundred twenty-three".