12022100220021 has 8 divisors (see below), whose sum is σ = 16402245261600. Its totient is φ = 7828344329232.

The previous prime is 12022100219923. The next prime is 12022100220043. The reversal of 12022100220021 is 12002200122021.

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

It is not a de Polignac number, because 12022100220021 - 2¹¹ = 12022100217973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022100220071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46597287546 + ... + 46597287803.

It is an arithmetic number, because the mean of its divisors is an integer number (2050280657700).

Almost surely, 2^{12022100220021} is an apocalyptic number.

It is an amenable number.

12022100220021 is a deficient number, since it is larger than the sum of its proper divisors (4380145041579).

12022100220021 is an equidigital number, since it uses as much as digits as its factorization.

12022100220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93194575395.

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

Adding to 12022100220021 its reverse (12002200122021), we get a palindrome (24024300342042).

The spelling of 12022100220021 in words is "twelve trillion, twenty-two billion, one hundred million, two hundred twenty thousand, twenty-one".