1100013033221 has 32 divisors (see below), whose sum is σ = 1199347003008. Its totient is φ = 1004846653440.

The previous prime is 1100013033209. The next prime is 1100013033263. The reversal of 1100013033221 is 1223303100011.

It is a cyclic number.

It is not a de Polignac number, because 1100013033221 - 2⁶ = 1100013033157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 1100013033221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100013033271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103798895 + ... + 103809491.

It is an arithmetic number, because the mean of its divisors is an integer number (37479593844).

Almost surely, 2^{1100013033221} is an apocalyptic number.

It is an amenable number.

1100013033221 is a deficient number, since it is larger than the sum of its proper divisors (99333969787).

1100013033221 is a wasteful number, since it uses less digits than its factorization.

1100013033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11541.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1100013033221 its reverse (1223303100011), we get a palindrome (2323316133232).

The spelling of 1100013033221 in words is "one trillion, one hundred billion, thirteen million, thirty-three thousand, two hundred twenty-one".