1123221101223 has 8 divisors (see below), whose sum is σ = 1612830299248. Its totient is φ = 691212985344.

The previous prime is 1123221101203. The next prime is 1123221101239. The reversal of 1123221101223 is 3221011223211.

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

It is not a de Polignac number, because 1123221101223 - 2²⁸ = 1122952665767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123221101223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123221101203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14400270490 + ... + 14400270567.

It is an arithmetic number, because the mean of its divisors is an integer number (201603787406).

Almost surely, 2^{1123221101223} is an apocalyptic number.

1123221101223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1123221101223 is a deficient number, since it is larger than the sum of its proper divisors (489609198025).

1123221101223 is a wasteful number, since it uses less digits than its factorization.

1123221101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28800541073.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1123221101223 its reverse (3221011223211), we get a palindrome (4344232324434).

The spelling of 1123221101223 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-one million, one hundred one thousand, two hundred twenty-three".