1131201302001 has 16 divisors (see below), whose sum is σ = 1523738176128. Its totient is φ = 746435376000.

The previous prime is 1131201301987. The next prime is 1131201302047. The reversal of 1131201302001 is 1002031021311.

It is a happy number.

It is not a de Polignac number, because 1131201302001 - 2⁷ = 1131201301873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131201302051) 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 15 ways as a sum of consecutive naturals, for example, 4381980 + ... + 4632941.

It is an arithmetic number, because the mean of its divisors is an integer number (95233636008).

Almost surely, 2^{1131201302001} is an apocalyptic number.

It is an amenable number.

1131201302001 is a deficient number, since it is larger than the sum of its proper divisors (392536874127).

1131201302001 is a wasteful number, since it uses less digits than its factorization.

1131201302001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9015352.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1131201302001 its reverse (1002031021311), we get a palindrome (2133232323312).

The spelling of 1131201302001 in words is "one trillion, one hundred thirty-one billion, two hundred one million, three hundred two thousand, one".