1100123221033 has 16 divisors (see below), whose sum is σ = 1173362863680. Its totient is φ = 1027832832000.

The previous prime is 1100123221031. The next prime is 1100123221061. The reversal of 1100123221033 is 3301223210011.

It is a cyclic number.

It is not a de Polignac number, because 1100123221033 - 2¹ = 1100123221031 is a prime.

It is a super-2 number, since 2×1100123221033² (a number of 25 digits) contains 22 as substring.

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 1100123221033.

It is not an unprimeable number, because it can be changed into a prime (1100123221031) 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 15 ways as a sum of consecutive naturals, for example, 22662918 + ... + 22711408.

It is an arithmetic number, because the mean of its divisors is an integer number (73335178980).

Almost surely, 2^{1100123221033} is an apocalyptic number.

It is an amenable number.

1100123221033 is a deficient number, since it is larger than the sum of its proper divisors (73239642647).

1100123221033 is a wasteful number, since it uses less digits than its factorization.

1100123221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58248.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1100123221033 its reverse (3301223210011), we get a palindrome (4401346431044).

The spelling of 1100123221033 in words is "one trillion, one hundred billion, one hundred twenty-three million, two hundred twenty-one thousand, thirty-three".