11320200331021 has 4 divisors (see below), whose sum is σ = 11337696777312. Its totient is φ = 11302703884732.

The previous prime is 11320200331019. The next prime is 11320200331043. The reversal of 11320200331021 is 12013300202311.

11320200331021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11320200331021 - 2¹ = 11320200331019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11320200331021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320200331061) 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, 8748222175 + ... + 8748223468.

It is an arithmetic number, because the mean of its divisors is an integer number (2834424194328).

Almost surely, 2^{11320200331021} is an apocalyptic number.

It is an amenable number.

11320200331021 is a deficient number, since it is larger than the sum of its proper divisors (17496446291).

11320200331021 is an equidigital number, since it uses as much as digits as its factorization.

11320200331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17496446290.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11320200331021 its reverse (12013300202311), we get a palindrome (23333500533332).

The spelling of 11320200331021 in words is "eleven trillion, three hundred twenty billion, two hundred million, three hundred thirty-one thousand, twenty-one".