11000220120021 has 32 divisors (see below), whose sum is σ = 16036965734400. Its totient is φ = 6651544910400.

The previous prime is 11000220119983. The next prime is 11000220120041. The reversal of 11000220120021 is 12002102200011.

It is not a de Polignac number, because 11000220120021 - 2⁷ = 11000220119893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11000220119979 and 11000220120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000220120041) by changing a digit.

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, 31870656 + ... + 32213958.

It is an arithmetic number, because the mean of its divisors is an integer number (501155179200).

Almost surely, 2^{11000220120021} is an apocalyptic number.

11000220120021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11000220120021 is a deficient number, since it is larger than the sum of its proper divisors (5036745614379).

11000220120021 is a wasteful number, since it uses less digits than its factorization.

11000220120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345537.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11000220120021 its reverse (12002102200011), we get a palindrome (23002322320032).

The spelling of 11000220120021 in words is "eleven trillion, two hundred twenty million, one hundred twenty thousand, twenty-one".