11313220102021 has 16 divisors (see below), whose sum is σ = 12205693784304. Its totient is φ = 10445999709184.

The previous prime is 11313220101961. The next prime is 11313220102039. The reversal of 11313220102021 is 12020102231311.

It can be written as a sum of positive squares in 8 ways, for example, as 76236732100 + 11236983369921 = 276110^2 + 3352161^2 .

It is a cyclic number.

It is not a de Polignac number, because 11313220102021 - 2¹⁹ = 11313219577733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11313220102021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313220102721) 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, 10904175 + ... + 11896531.

It is an arithmetic number, because the mean of its divisors is an integer number (762855861519).

Almost surely, 2^{11313220102021} is an apocalyptic number.

It is an amenable number.

11313220102021 is a deficient number, since it is larger than the sum of its proper divisors (892473682283).

11313220102021 is a wasteful number, since it uses less digits than its factorization.

11313220102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005080.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11313220102021 its reverse (12020102231311), we get a palindrome (23333322333332).

The spelling of 11313220102021 in words is "eleven trillion, three hundred thirteen billion, two hundred twenty million, one hundred two thousand, twenty-one".