11321131332021 has 32 divisors (see below), whose sum is σ = 17491214131200. Its totient is φ = 6379432974720.

The previous prime is 11321131331969. The next prime is 11321131332061. The reversal of 11321131332021 is 12023313112311.

It is not a de Polignac number, because 11321131332021 - 2¹⁵ = 11321131299253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11321131331982 and 11321131332000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321131332061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2875465 + ... + 5559726.

It is an arithmetic number, because the mean of its divisors is an integer number (546600441600).

Almost surely, 2^{11321131332021} is an apocalyptic number.

It is an amenable number.

11321131332021 is a deficient number, since it is larger than the sum of its proper divisors (6170082799179).

11321131332021 is an equidigital number, since it uses as much as digits as its factorization.

11321131332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8436089.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11321131332021 its reverse (12023313112311), we get a palindrome (23344444444332).

The spelling of 11321131332021 in words is "eleven trillion, three hundred twenty-one billion, one hundred thirty-one million, three hundred thirty-two thousand, twenty-one".