11212210110220 has 48 divisors (see below), whose sum is σ = 26925161820480. Its totient is φ = 3841920958464.

The previous prime is 11212210110217. The next prime is 11212210110293. The reversal of 11212210110220 is 2201101221211.

It is a junction number, because it is equal to n+sod(n) for n = 11212210110194 and 11212210110203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23359125 + ... + 23834284.

It is an arithmetic number, because the mean of its divisors is an integer number (560940871260).

Almost surely, 2^{11212210110220} is an apocalyptic number.

11212210110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212210110220 is an abundant number, since it is smaller than the sum of its proper divisors (15712951710260).

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

11212210110220 is a wasteful number, since it uses less digits than its factorization.

11212210110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47195122 (or 47195120 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11212210110220 its reverse (2201101221211), we get a palindrome (13413311331431).

The spelling of 11212210110220 in words is "eleven trillion, two hundred twelve billion, two hundred ten million, one hundred ten thousand, two hundred twenty".