11010221200021 has 8 divisors (see below), whose sum is σ = 11018476656000. Its totient is φ = 11001967388832.

The previous prime is 11010221199997. The next prime is 11010221200037. The reversal of 11010221200021 is 12000212201011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11010221200021 - 2²³ = 11010212811413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010221199974 and 11010221200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010221290021) by changing a digit.

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, 13149105 + ... + 13961353.

It is an arithmetic number, because the mean of its divisors is an integer number (1377309582000).

Almost surely, 2^{11010221200021} is an apocalyptic number.

It is an amenable number.

11010221200021 is a deficient number, since it is larger than the sum of its proper divisors (8255455979).

11010221200021 is an equidigital number, since it uses as much as digits as its factorization.

11010221200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822395.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11010221200021 its reverse (12000212201011), we get a palindrome (23010433401032).

The spelling of 11010221200021 in words is "eleven trillion, ten billion, two hundred twenty-one million, two hundred thousand, twenty-one".