1123221111303 has 8 divisors (see below), whose sum is σ = 1497802143600. Its totient is φ = 748727076608.

The previous prime is 1123221111283. The next prime is 1123221111317. The reversal of 1123221111303 is 3031111223211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123221111303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1123221111303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123221111203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21719268 + ... + 21770921.

It is an arithmetic number, because the mean of its divisors is an integer number (187225267950).

Almost surely, 2^{1123221111303} is an apocalyptic number.

1123221111303 is a deficient number, since it is larger than the sum of its proper divisors (374581032297).

1123221111303 is an equidigital number, since it uses as much as digits as its factorization.

1123221111303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43498801.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1123221111303 its reverse (3031111223211), we get a palindrome (4154332334514).

The spelling of 1123221111303 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-one million, one hundred eleven thousand, three hundred three".