1101323203203 has 8 divisors (see below), whose sum is σ = 1469120026816. Its totient is φ = 733870924200.

The previous prime is 1101323203153. The next prime is 1101323203271. The reversal of 1101323203203 is 3023023231011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1101323203203 - 2¹² = 1101323199107 is a prime.

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 1101323203203.

It is not an unprimeable number, because it can be changed into a prime (1101323203273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86128693 + ... + 86141478.

It is an arithmetic number, because the mean of its divisors is an integer number (183640003352).

Almost surely, 2^{1101323203203} is an apocalyptic number.

1101323203203 is a deficient number, since it is larger than the sum of its proper divisors (367796823613).

1101323203203 is a wasteful number, since it uses less digits than its factorization.

1101323203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172272305.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1101323203203 its reverse (3023023231011), we get a palindrome (4124346434214).

The spelling of 1101323203203 in words is "one trillion, one hundred one billion, three hundred twenty-three million, two hundred three thousand, two hundred three".