1123221111033 has 24 divisors (see below), whose sum is σ = 1742198351520. Its totient is φ = 641818719360.

The previous prime is 1123221111031. The next prime is 1123221111091. The reversal of 1123221111033 is 3301111223211.

It is not a de Polignac number, because 1123221111033 - 2¹ = 1123221111031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1123221111031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4828353 + ... + 5055633.

It is an arithmetic number, because the mean of its divisors is an integer number (72591597980).

Almost surely, 2^{1123221111033} is an apocalyptic number.

It is an amenable number.

1123221111033 is a deficient number, since it is larger than the sum of its proper divisors (618977240487).

1123221111033 is a wasteful number, since it uses less digits than its factorization.

1123221111033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260917 (or 260910 counting only the distinct ones).

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

Adding to 1123221111033 its reverse (3301111223211), we get a palindrome (4424332334244).

The spelling of 1123221111033 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-one million, one hundred eleven thousand, thirty-three".