11022221202020 has 48 divisors (see below), whose sum is σ = 28009409178240. Its totient is φ = 3556750370304.

The previous prime is 11022221202007. The next prime is 11022221202029. The reversal of 11022221202020 is 2020212222011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 11022221202020.

It is not an unprimeable number, because it can be changed into a prime (11022221202029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2315590310 + ... + 2315595069.

It is an arithmetic number, because the mean of its divisors is an integer number (583529357880).

Almost surely, 2^{11022221202020} is an apocalyptic number.

11022221202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022221202020 is an abundant number, since it is smaller than the sum of its proper divisors (16987187976220).

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

11022221202020 is a wasteful number, since it uses less digits than its factorization.

11022221202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631185412 (or 4631185410 counting only the distinct ones).

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

Adding to 11022221202020 its reverse (2020212222011), we get a palindrome (13042433424031).

The spelling of 11022221202020 in words is "eleven trillion, twenty-two billion, two hundred twenty-one million, two hundred two thousand, twenty".