11222232120000 has 630 divisors, whose sum is σ = 44181739445844. Its totient is φ = 2720530560000.

The previous prime is 11222232119999. The next prime is 11222232120041. The reversal of 11222232120000 is 2123222211.

11222232120000 is a `hidden beast` number, since 1 + 122 + 22 + 321 + 200 + 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 89 ways as a sum of consecutive naturals, for example, 43431187 + ... + 43688813.

Almost surely, 2^{11222232120000} is an apocalyptic number.

11222232120000 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 11222232120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22090869722922).

11222232120000 is an abundant number, since it is smaller than the sum of its proper divisors (32959507325844).

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

11222232120000 is a wasteful number, since it uses less digits than its factorization.

11222232120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257687 (or 257648 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11222232120000 its reverse (2123222211), we get a palindrome (11224355342211).

The spelling of 11222232120000 in words is "eleven trillion, two hundred twenty-two billion, two hundred thirty-two million, one hundred twenty thousand".