11321222020002 has 24 divisors (see below), whose sum is σ = 24538147511436. Its totient is φ = 3772381729536.

The previous prime is 11321222019977. The next prime is 11321222020021. The reversal of 11321222020002 is 20002022212311.

It can be written as a sum of positive squares in 2 ways, for example, as 11137764854241 + 183457165761 = 3337329^2 + 428319^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113193943 + ... + 113293914.

Almost surely, 2^{11321222020002} is an apocalyptic number.

11321222020002 is an abundant number, since it is smaller than the sum of its proper divisors (13216925491434).

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

11321222020002 is a wasteful number, since it uses less digits than its factorization.

11321222020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226490642 (or 226490639 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11321222020002 its reverse (20002022212311), we get a palindrome (31323244232313).

The spelling of 11321222020002 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twenty thousand, two".