11321213122001 has 4 divisors (see below), whose sum is σ = 11390668417392. Its totient is φ = 11251757826612.

The previous prime is 11321213121979. The next prime is 11321213122033. The reversal of 11321213122001 is 10022131212311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11321213122001 - 2²⁶ = 11321146013137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321213122081) 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, 34727647451 + ... + 34727647776.

It is an arithmetic number, because the mean of its divisors is an integer number (2847667104348).

Almost surely, 2^{11321213122001} is an apocalyptic number.

It is an amenable number.

11321213122001 is a deficient number, since it is larger than the sum of its proper divisors (69455295391).

11321213122001 is an equidigital number, since it uses as much as digits as its factorization.

11321213122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69455295390.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11321213122001 its reverse (10022131212311), we get a palindrome (21343344334312).

The spelling of 11321213122001 in words is "eleven trillion, three hundred twenty-one billion, two hundred thirteen million, one hundred twenty-two thousand, one".