11020222021220 has 24 divisors (see below), whose sum is σ = 23142637956984. Its totient is φ = 4408056101376.

The previous prime is 11020222021219. The next prime is 11020222021223. The reversal of 11020222021220 is 2212022202011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 93190993984 + 10927031027236 = 305272^2 + 3305606^2 .

It is not an unprimeable number, because it can be changed into a prime (11020222021223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816314 + ... + 4765166.

It is an arithmetic number, because the mean of its divisors is an integer number (964276581541).

Almost surely, 2^{11020222021220} is an apocalyptic number.

11020222021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020222021220 is an abundant number, since it is smaller than the sum of its proper divisors (12122415935764).

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

11020222021220 is a wasteful number, since it uses less digits than its factorization.

11020222021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088399 (or 4088397 counting only the distinct ones).

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

Adding to 11020222021220 its reverse (2212022202011), we get a palindrome (13232244223231).

The spelling of 11020222021220 in words is "eleven trillion, twenty billion, two hundred twenty-two million, twenty-one thousand, two hundred twenty".