1100133220321 has 8 divisors (see below), whose sum is σ = 1104586637544. Its totient is φ = 1095683621760.

The previous prime is 1100133220301. The next prime is 1100133220339. The reversal of 1100133220321 is 1230223310011.

It can be written as a sum of positive squares in 4 ways, for example, as 429267384225 + 670865836096 = 655185^2 + 819064^2 .

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-1100133220321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100133220301) 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 7 ways as a sum of consecutive naturals, for example, 376606 + ... + 1530391.

It is an arithmetic number, because the mean of its divisors is an integer number (138073329693).

Almost surely, 2^{1100133220321} is an apocalyptic number.

It is an amenable number.

1100133220321 is a deficient number, since it is larger than the sum of its proper divisors (4453417223).

1100133220321 is a wasteful number, since it uses less digits than its factorization.

1100133220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909331.

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

Adding to 1100133220321 its reverse (1230223310011), we get a palindrome (2330356530332).

The spelling of 1100133220321 in words is "one trillion, one hundred billion, one hundred thirty-three million, two hundred twenty thousand, three hundred twenty-one".