11220021202220 has 48 divisors (see below), whose sum is σ = 23846809045248. Its totient is φ = 4433771632320.

The previous prime is 11220021202217. The next prime is 11220021202261. The reversal of 11220021202220 is 2220212002211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50896835 + ... + 51116805.

It is an arithmetic number, because the mean of its divisors is an integer number (496808521776).

Almost surely, 2^{11220021202220} is an apocalyptic number.

11220021202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220021202220 is an abundant number, since it is smaller than the sum of its proper divisors (12626787843028).

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

11220021202220 is a wasteful number, since it uses less digits than its factorization.

11220021202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250790 (or 250788 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11220021202220 its reverse (2220212002211), we get a palindrome (13440233204431).

The spelling of 11220021202220 in words is "eleven trillion, two hundred twenty billion, twenty-one million, two hundred two thousand, two hundred twenty".