11231221020336 has 60 divisors (see below), whose sum is σ = 31452789069000. Its totient is φ = 3741242776320.

The previous prime is 11231221020301. The next prime is 11231221020337. The reversal of 11231221020336 is 63302012213211.

11231221020336 is a `hidden beast` number, since 1 + 1 + 2 + 312 + 2 + 10 + 2 + 0 + 336 = 666.

It is a super-2 number, since 2×11231221020336² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231221020337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25799685 + ... + 26231396.

It is an arithmetic number, because the mean of its divisors is an integer number (524213151150).

Almost surely, 2^{11231221020336} is an apocalyptic number.

11231221020336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11231221020336 is an abundant number, since it is smaller than the sum of its proper divisors (20221568048664).

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

11231221020336 is a wasteful number, since it uses less digits than its factorization.

11231221020336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52032594 (or 52032585 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 11231221020336 its reverse (63302012213211), we get a palindrome (74533233233547).

The spelling of 11231221020336 in words is "eleven trillion, two hundred thirty-one billion, two hundred twenty-one million, twenty thousand, three hundred thirty-six".