11001222022020 has 96 divisors (see below), whose sum is σ = 31640657868288. Its totient is φ = 2854644029952.

The previous prime is 11001222021953. The next prime is 11001222022069. The reversal of 11001222022020 is 2022022210011.

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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10787119 + ... + 11762838.

It is an arithmetic number, because the mean of its divisors is an integer number (329590186128).

Almost surely, 2^{11001222022020} is an apocalyptic number.

11001222022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001222022020 is an abundant number, since it is smaller than the sum of its proper divisors (20639435846268).

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

11001222022020 is a wasteful number, since it uses less digits than its factorization.

11001222022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22550189 (or 22550187 counting only the distinct ones).

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

Adding to 11001222022020 its reverse (2022022210011), we get a palindrome (13023244232031).

The spelling of 11001222022020 in words is "eleven trillion, one billion, two hundred twenty-two million, twenty-two thousand, twenty".