11222112200220 has 72 divisors (see below), whose sum is σ = 34074011121696. Its totient is φ = 2989609045632.

The previous prime is 11222112200219. The next prime is 11222112200231. The reversal of 11222112200220 is 2200221122211.

It is a happy number.

11222112200220 is a `hidden beast` number, since 1 + 1 + 2 + 221 + 1 + 220 + 0 + 220 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 11222112200193 and 11222112200202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30590152 + ... + 30954831.

It is an arithmetic number, because the mean of its divisors is an integer number (473250154468).

Almost surely, 2^{11222112200220} is an apocalyptic number.

11222112200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222112200220 is an abundant number, since it is smaller than the sum of its proper divisors (22851898921476).

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

11222112200220 is a wasteful number, since it uses less digits than its factorization.

11222112200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61546011 (or 61546006 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11222112200220 its reverse (2200221122211), we get a palindrome (13422333322431).

The spelling of 11222112200220 in words is "eleven trillion, two hundred twenty-two billion, one hundred twelve million, two hundred thousand, two hundred twenty".