11210212220220 has 144 divisors (see below), whose sum is σ = 36621558634752. Its totient is φ = 2759321410560.

The previous prime is 11210212220219. The next prime is 11210212220269. The reversal of 11210212220220 is 2202221201211.

It is a happy number.

11210212220220 is a `hidden beast` number, since 1 + 1 + 2 + 10 + 212 + 220 + 220 = 666.

11210212220220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 11210212220193 and 11210212220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64832280 + ... + 65004960.

It is an arithmetic number, because the mean of its divisors is an integer number (254316379408).

Almost surely, 2^{11210212220220} is an apocalyptic number.

11210212220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210212220220 is an abundant number, since it is smaller than the sum of its proper divisors (25411346414532).

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

11210212220220 is a wasteful number, since it uses less digits than its factorization.

11210212220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200452 (or 200447 counting only the distinct ones).

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

Adding to 11210212220220 its reverse (2202221201211), we get a palindrome (13412433421431).

The spelling of 11210212220220 in words is "eleven trillion, two hundred ten billion, two hundred twelve million, two hundred twenty thousand, two hundred twenty".