11233201221000 has 768 divisors, whose sum is σ = 42696760504320. Its totient is φ = 2639796480000.

The previous prime is 11233201220999. The next prime is 11233201221023. The reversal of 11233201221000 is 12210233211.

11233201221000 is a `hidden beast` number, since 1 + 123 + 320 + 1 + 221 + 0 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1014645465 + ... + 1014656535.

It is an arithmetic number, because the mean of its divisors is an integer number (55594740240).

Almost surely, 2^{11233201221000} is an apocalyptic number.

11233201221000 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 11233201221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21348380252160).

11233201221000 is an abundant number, since it is smaller than the sum of its proper divisors (31463559283320).

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

11233201221000 is a wasteful number, since it uses less digits than its factorization.

11233201221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11423 (or 11406 counting only the distinct ones).

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

Adding to 11233201221000 its reverse (12210233211), we get a palindrome (11245411454211).

The spelling of 11233201221000 in words is "eleven trillion, two hundred thirty-three billion, two hundred one million, two hundred twenty-one thousand".