11011210120220 has 12 divisors (see below), whose sum is σ = 23123541252504. Its totient is φ = 4404484048080.

The previous prime is 11011210120201. The next prime is 11011210120223. The reversal of 11011210120220 is 2202101211011.

It is a junction number, because it is equal to n+sod(n) for n = 11011210120195 and 11011210120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011210120223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 275280252986 + ... + 275280253025.

It is an arithmetic number, because the mean of its divisors is an integer number (1926961771042).

Almost surely, 2^{11011210120220} is an apocalyptic number.

11011210120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011210120220 is an abundant number, since it is smaller than the sum of its proper divisors (12112331132284).

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

11011210120220 is a wasteful number, since it uses less digits than its factorization.

11011210120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550560506020 (or 550560506018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11011210120220 its reverse (2202101211011), we get a palindrome (13213311331231).

The spelling of 11011210120220 in words is "eleven trillion, eleven billion, two hundred ten million, one hundred twenty thousand, two hundred twenty".