11321131332020 has 24 divisors (see below), whose sum is σ = 23780852218368. Its totient is φ = 4527218928800.

The previous prime is 11321131331969. The next prime is 11321131332061. The reversal of 11321131332020 is 2023313112311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77024996 + ... + 77171835.

It is an arithmetic number, because the mean of its divisors is an integer number (990868842432).

Almost surely, 2^{11321131332020} is an apocalyptic number.

11321131332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321131332020 is an abundant number, since it is smaller than the sum of its proper divisors (12459720886348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11321131332020 is a wasteful number, since it uses less digits than its factorization.

11321131332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154200511 (or 154200509 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11321131332020 its reverse (2023313112311), we get a palindrome (13344444444331).

The spelling of 11321131332020 in words is "eleven trillion, three hundred twenty-one billion, one hundred thirty-one million, three hundred thirty-two thousand, twenty".