11021001000220 has 24 divisors (see below), whose sum is σ = 23310606438000. Its totient is φ = 4376685288192.

The previous prime is 11021001000203. The next prime is 11021001000277. The reversal of 11021001000220 is 2200010012011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11021001000197 and 11021001000206.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1982191645 + ... + 1982197204.

It is an arithmetic number, because the mean of its divisors is an integer number (971275268250).

Almost surely, 2^{11021001000220} is an apocalyptic number.

11021001000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021001000220 is an abundant number, since it is smaller than the sum of its proper divisors (12289605437780).

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

11021001000220 is a wasteful number, since it uses less digits than its factorization.

11021001000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964388997 (or 3964388995 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11021001000220 its reverse (2200010012011), we get a palindrome (13221011012231).

The spelling of 11021001000220 in words is "eleven trillion, twenty-one billion, one million, two hundred twenty", and thus it is an aban number.