11022002021220 has 96 divisors (see below), whose sum is σ = 31386047616000. Its totient is φ = 2889258017664.

The previous prime is 11022002021167. The next prime is 11022002021227. The reversal of 11022002021220 is 2212020022011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11022002021220.

It is not an unprimeable number, because it can be changed into a prime (11022002021227) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 104019507 + ... + 104125413.

It is an arithmetic number, because the mean of its divisors is an integer number (326937996000).

Almost surely, 2^{11022002021220} is an apocalyptic number.

11022002021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022002021220 is an abundant number, since it is smaller than the sum of its proper divisors (20364045594780).

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

11022002021220 is a wasteful number, since it uses less digits than its factorization.

11022002021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135377 (or 135375 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11022002021220 its reverse (2212020022011), we get a palindrome (13234022043231).

The spelling of 11022002021220 in words is "eleven trillion, twenty-two billion, two million, twenty-one thousand, two hundred twenty".