11221326000 has 240 divisors, whose sum is σ = 41498915328. Its totient is φ = 2816256000.

The previous prime is 11221325977. The next prime is 11221326041. The reversal of 11221326000 is 62312211.

11221326000 is a `hidden beast` number, since 1 + 12 + 21 + 32 + 600 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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 47 ways as a sum of consecutive naturals, for example, 287665 + ... + 324335.

Almost surely, 2^11221326000 is an apocalyptic number.

11221326000 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 11221326000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20749457664).

11221326000 is an abundant number, since it is smaller than the sum of its proper divisors (30277589328).

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

11221326000 is a wasteful number, since it uses less digits than its factorization.

11221326000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36717 (or 36698 counting only the distinct ones).

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

Adding to 11221326000 its reverse (62312211), we get a palindrome (11283638211).

The spelling of 11221326000 in words is "eleven billion, two hundred twenty-one million, three hundred twenty-six thousand".