1103323210021 has 32 divisors (see below), whose sum is σ = 1164726355968. Its totient is φ = 1043692216320.

The previous prime is 1103323209997. The next prime is 1103323210039. The reversal of 1103323210021 is 1200123233011.

It is a cyclic number.

It is not a de Polignac number, because 1103323210021 - 2³⁹ = 553567396133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103323210421) 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 31 ways as a sum of consecutive naturals, for example, 906592005 + ... + 906593221.

It is an arithmetic number, because the mean of its divisors is an integer number (36397698624).

Almost surely, 2^{1103323210021} is an apocalyptic number.

It is an amenable number.

1103323210021 is a deficient number, since it is larger than the sum of its proper divisors (61403145947).

1103323210021 is a wasteful number, since it uses less digits than its factorization.

1103323210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901.

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

Adding to 1103323210021 its reverse (1200123233011), we get a palindrome (2303446443032).

The spelling of 1103323210021 in words is "one trillion, one hundred three billion, three hundred twenty-three million, two hundred ten thousand, twenty-one".