10001131200001 has 4 divisors (see below), whose sum is σ = 10040046107652. Its totient is φ = 9962216292352.

The previous prime is 10001131199959. The next prime is 10001131200031. The reversal of 10001131200001 is 10000213110001.

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 6209445999376 + 3791685200625 = 2491876^2 + 1947225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001131200001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001131200031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19457453440 + ... + 19457453953.

It is an arithmetic number, because the mean of its divisors is an integer number (2510011526913).

Almost surely, 2^{10001131200001} is an apocalyptic number.

It is an amenable number.

10001131200001 is a deficient number, since it is larger than the sum of its proper divisors (38914907651).

10001131200001 is an equidigital number, since it uses as much as digits as its factorization.

10001131200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38914907650.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 10001131200001 its reverse (10000213110001), we get a palindrome (20001344310002).

Subtracting from 10001131200001 its reverse (10000213110001), we obtain a square (918090000 = 30300²).

The spelling of 10001131200001 in words is "ten trillion, one billion, one hundred thirty-one million, two hundred thousand, one".