11222110011222 has 192 divisors, whose sum is σ = 27103746908160. Its totient is φ = 3327247627200.

The previous prime is 11222110011173. The next prime is 11222110011239. The reversal of 11222110011222 is 22211001122211.

11222110011222 is a `hidden beast` number, since 112 + 221 + 100 + 11 + 222 = 666.

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11222110011195 and 11222110011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1316063523 + ... + 1316072049.

It is an arithmetic number, because the mean of its divisors is an integer number (141165348480).

Almost surely, 2^{11222110011222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222110011222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13551873454080).

11222110011222 is an abundant number, since it is smaller than the sum of its proper divisors (15881636896938).

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

11222110011222 is a wasteful number, since it uses less digits than its factorization.

11222110011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9319 (or 9316 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11222110011222 its reverse (22211001122211), we get a palindrome (33433111133433).

It can be divided in two parts, 11 and 222110011222, that multiplied together give a palindrome (2443210123442).

The spelling of 11222110011222 in words is "eleven trillion, two hundred twenty-two billion, one hundred ten million, eleven thousand, two hundred twenty-two".