11231221020300 has 144 divisors (see below), whose sum is σ = 36116437705600. Its totient is φ = 2994151003200.

The previous prime is 11231221020197. The next prime is 11231221020301. The reversal of 11231221020300 is 302012213211.

11231221020300 is a `hidden beast` number, since 1 + 12 + 312 + 21 + 0 + 20 + 300 = 666.

It is a super-2 number, since 2×11231221020300² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11231221020301) 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 47 ways as a sum of consecutive naturals, for example, 9059271 + ... + 10224129.

Almost surely, 2^{11231221020300} is an apocalyptic number.

11231221020300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11231221020300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18058218852800).

11231221020300 is an abundant number, since it is smaller than the sum of its proper divisors (24885216685300).

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

11231221020300 is a wasteful number, since it uses less digits than its factorization.

11231221020300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168453 (or 1168440 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11231221020300 its reverse (302012213211), we get a palindrome (11533233233511).

The spelling of 11231221020300 in words is "eleven trillion, two hundred thirty-one billion, two hundred twenty-one million, twenty thousand, three hundred".