11021201022021 has 16 divisors (see below), whose sum is σ = 14847618933504. Its totient is φ = 7271137373184.

The previous prime is 11021201022017. The next prime is 11021201022121. The reversal of 11021201022021 is 12022010212011.

It is not a de Polignac number, because 11021201022021 - 2² = 11021201022017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021201022011) 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 15 ways as a sum of consecutive naturals, for example, 2133681 + ... + 5157033.

It is an arithmetic number, because the mean of its divisors is an integer number (927976183344).

Almost surely, 2^{11021201022021} is an apocalyptic number.

It is an amenable number.

11021201022021 is a deficient number, since it is larger than the sum of its proper divisors (3826417911483).

11021201022021 is a wasteful number, since it uses less digits than its factorization.

11021201022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035980.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11021201022021 its reverse (12022010212011), we get a palindrome (23043211234032).

The spelling of 11021201022021 in words is "eleven trillion, twenty-one billion, two hundred one million, twenty-two thousand, twenty-one".