1001201101303 has 16 divisors (see below), whose sum is σ = 1115479864800. Its totient is φ = 892250432640.

The previous prime is 1001201101247. The next prime is 1001201101343. The reversal of 1001201101303 is 3031011021001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001201101303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001201101343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5343873 + ... + 5528053.

It is an arithmetic number, because the mean of its divisors is an integer number (69717491550).

Almost surely, 2^{1001201101303} is an apocalyptic number.

1001201101303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1001201101303 is a deficient number, since it is larger than the sum of its proper divisors (114278763497).

1001201101303 is a wasteful number, since it uses less digits than its factorization.

1001201101303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198642.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1001201101303 its reverse (3031011021001), we get a palindrome (4032212122304).

The spelling of 1001201101303 in words is "one trillion, one billion, two hundred one million, one hundred one thousand, three hundred three".