11112110212220 has 12 divisors (see below), whose sum is σ = 23335431445704. Its totient is φ = 4444844084880.

The previous prime is 11112110212213. The next prime is 11112110212223. The reversal of 11112110212220 is 2221201121111.

11112110212220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112110212223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277802755286 + ... + 277802755325.

It is an arithmetic number, because the mean of its divisors is an integer number (1944619287142).

Almost surely, 2^{11112110212220} is an apocalyptic number.

11112110212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112110212220 is an abundant number, since it is smaller than the sum of its proper divisors (12223321233484).

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

11112110212220 is a wasteful number, since it uses less digits than its factorization.

11112110212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555605510620 (or 555605510618 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11112110212220 its reverse (2221201121111), we get a palindrome (13333311333331).

The spelling of 11112110212220 in words is "eleven trillion, one hundred twelve billion, one hundred ten million, two hundred twelve thousand, two hundred twenty".