11021022022020 has 192 divisors, whose sum is σ = 34037534361600. Its totient is φ = 2652273745920.

The previous prime is 11021022022013. The next prime is 11021022022033. The reversal of 11021022022020 is 2022022012011.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1847746 + ... + 5045414.

It is an arithmetic number, because the mean of its divisors is an integer number (177278824800).

Almost surely, 2^{11021022022020} is an apocalyptic number.

11021022022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11021022022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17018767180800).

11021022022020 is an abundant number, since it is smaller than the sum of its proper divisors (23016512339580).

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

11021022022020 is a wasteful number, since it uses less digits than its factorization.

11021022022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197838 (or 3197836 counting only the distinct ones).

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

Adding to 11021022022020 its reverse (2022022012011), we get a palindrome (13043044034031).

The spelling of 11021022022020 in words is "eleven trillion, twenty-one billion, twenty-two million, twenty-two thousand, twenty".