11222022221200 has 240 divisors, whose sum is σ = 30971092624000. Its totient is φ = 3827785973760.

The previous prime is 11222022221171. The next prime is 11222022221243. The reversal of 11222022221200 is 212222022211.

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, 521968051 + ... + 521989549.

Almost surely, 2^{11222022221200} is an apocalyptic number.

11222022221200 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 11222022221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15485546312000).

11222022221200 is an abundant number, since it is smaller than the sum of its proper divisors (19749070402800).

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

11222022221200 is a wasteful number, since it uses less digits than its factorization.

11222022221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22474 (or 22463 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11222022221200 its reverse (212222022211), we get a palindrome (11434244243411).

The spelling of 11222022221200 in words is "eleven trillion, two hundred twenty-two billion, twenty-two million, two hundred twenty-one thousand, two hundred".