11220012120220 has 12 divisors (see below), whose sum is σ = 23562025452504. Its totient is φ = 4488004848080.

The previous prime is 11220012120217. The next prime is 11220012120253. The reversal of 11220012120220 is 2202121002211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11220012120194 and 11220012120203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280500302986 + ... + 280500303025.

It is an arithmetic number, because the mean of its divisors is an integer number (1963502121042).

Almost surely, 2^{11220012120220} is an apocalyptic number.

11220012120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220012120220 is an abundant number, since it is smaller than the sum of its proper divisors (12342013332284).

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

11220012120220 is a wasteful number, since it uses less digits than its factorization.

11220012120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561000606020 (or 561000606018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11220012120220 its reverse (2202121002211), we get a palindrome (13422133122431).

The spelling of 11220012120220 in words is "eleven trillion, two hundred twenty billion, twelve million, one hundred twenty thousand, two hundred twenty".