1100203403201 has 8 divisors (see below), whose sum is σ = 1257381687744. Its totient is φ = 943026711120.

The previous prime is 1100203403177. The next prime is 1100203403293. The reversal of 1100203403201 is 1023043020011.

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

It is a cyclic number.

It is not a de Polignac number, because 1100203403201 - 2⁶ = 1100203403137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100203403201.

It is not an unprimeable number, because it can be changed into a prime (1100203423201) 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, 2315111 + ... + 2749571.

It is an arithmetic number, because the mean of its divisors is an integer number (157172710968).

Almost surely, 2^{1100203403201} is an apocalyptic number.

It is an amenable number.

1100203403201 is a deficient number, since it is larger than the sum of its proper divisors (157178284543).

1100203403201 is an equidigital number, since it uses as much as digits as its factorization.

1100203403201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796231.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1100203403201 its reverse (1023043020011), we get a palindrome (2123246423212).

The spelling of 1100203403201 in words is "one trillion, one hundred billion, two hundred three million, four hundred three thousand, two hundred one".