1100231303201 has 4 divisors (see below), whose sum is σ = 1118267882004. Its totient is φ = 1082194724400.

The previous prime is 1100231303189. The next prime is 1100231303207. The reversal of 1100231303201 is 1023031320011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201802202176 + 898429101025 = 449224^2 + 947855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100231303201 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 1100231303201.

It is not an unprimeable number, because it can be changed into a prime (1100231303207) 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 3 ways as a sum of consecutive naturals, for example, 9018289310 + ... + 9018289431.

It is an arithmetic number, because the mean of its divisors is an integer number (279566970501).

Almost surely, 2^{1100231303201} is an apocalyptic number.

It is an amenable number.

1100231303201 is a deficient number, since it is larger than the sum of its proper divisors (18036578803).

1100231303201 is an equidigital number, since it uses as much as digits as its factorization.

1100231303201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18036578802.

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

Adding to 1100231303201 its reverse (1023031320011), we get a palindrome (2123262623212).

The spelling of 1100231303201 in words is "one trillion, one hundred billion, two hundred thirty-one million, three hundred three thousand, two hundred one".