11021311210321 has 16 divisors (see below), whose sum is σ = 11897338527360. Its totient is φ = 10178370442240.

The previous prime is 11021311210309. The next prime is 11021311210331. The reversal of 11021311210321 is 12301211312011.

It is a cyclic number.

It is not a de Polignac number, because 11021311210321 - 2¹¹ = 11021311208273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021311210331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33689466 + ... + 34015036.

It is an arithmetic number, because the mean of its divisors is an integer number (743583657960).

Almost surely, 2^{11021311210321} is an apocalyptic number.

It is an amenable number.

11021311210321 is a deficient number, since it is larger than the sum of its proper divisors (876027317039).

11021311210321 is a wasteful number, since it uses less digits than its factorization.

11021311210321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376376.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11021311210321 its reverse (12301211312011), we get a palindrome (23322522522332).

The spelling of 11021311210321 in words is "eleven trillion, twenty-one billion, three hundred eleven million, two hundred ten thousand, three hundred twenty-one".