11222200000220 has 192 divisors, whose sum is σ = 27706427965440. Its totient is φ = 3775518700800.

The previous prime is 11222200000213. The next prime is 11222200000261. The reversal of 11222200000220 is 2200000222211.

It is a junction number, because it is equal to n+sod(n) for n = 11222200000195 and 11222200000204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 323584841 + ... + 323619519.

It is an arithmetic number, because the mean of its divisors is an integer number (144304312320).

Almost surely, 2^{11222200000220} is an apocalyptic number.

11222200000220 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 11222200000220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13853213982720).

11222200000220 is an abundant number, since it is smaller than the sum of its proper divisors (16484227965220).

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

11222200000220 is a wasteful number, since it uses less digits than its factorization.

11222200000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36816 (or 36814 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 11222200000220 its reverse (2200000222211), we get a palindrome (13422200222431).

The spelling of 11222200000220 in words is "eleven trillion, two hundred twenty-two billion, two hundred million, two hundred twenty", and thus it is an aban number.