11022021213320 has 64 divisors (see below), whose sum is σ = 26742301089840. Its totient is φ = 4064321433600.

The previous prime is 11022021213311. The next prime is 11022021213337. The reversal of 11022021213320 is 2331212022011.

It can be written as a sum of positive squares in 8 ways, for example, as 1042127524 + 11020979085796 = 32282^2 + 3319786^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11022021213292 and 11022021213301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13530821 + ... + 14322260.

Almost surely, 2^{11022021213320} is an apocalyptic number.

11022021213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022021213320 is an abundant number, since it is smaller than the sum of its proper divisors (15720279876520).

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

11022021213320 is a wasteful number, since it uses less digits than its factorization.

11022021213320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27853866 (or 27853862 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11022021213320 its reverse (2331212022011), we get a palindrome (13353233235331).

The spelling of 11022021213320 in words is "eleven trillion, twenty-two billion, twenty-one million, two hundred thirteen thousand, three hundred twenty".