11311320201001 has 8 divisors (see below), whose sum is σ = 11594443607208. Its totient is φ = 11028541440000.

The previous prime is 11311320200989. The next prime is 11311320201031. The reversal of 11311320201001 is 10010202311311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1297892841001 + 10013427360000 = 1139251^2 + 3164400^2 .

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 11311320201001 - 2²⁹ = 11310783330089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11311320201031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86094840 + ... + 86226121.

It is an arithmetic number, because the mean of its divisors is an integer number (1449305450901).

Almost surely, 2^{11311320201001} is an apocalyptic number.

It is an amenable number.

11311320201001 is a deficient number, since it is larger than the sum of its proper divisors (283123406207).

11311320201001 is a wasteful number, since it uses less digits than its factorization.

11311320201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172322603.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11311320201001 its reverse (10010202311311), we get a palindrome (21321522512312).

The spelling of 11311320201001 in words is "eleven trillion, three hundred eleven billion, three hundred twenty million, two hundred one thousand, one".