12022102621021 has 2 divisors, whose sum is σ = 12022102621022. Its totient is φ = 12022102621020.

The previous prime is 12022102621007. The next prime is 12022102621049. The reversal of 12022102621021 is 12012620122021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12022072205796 + 30415225 = 3467286^2 + 5515^2 .

It is a cyclic number.

It is not a de Polignac number, because 12022102621021 - 2³⁵ = 11987742882653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12022102620983 and 12022102621001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022102621421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011051310510 + 6011051310511.

It is an arithmetic number, because the mean of its divisors is an integer number (6011051310511).

Almost surely, 2^{12022102621021} is an apocalyptic number.

It is an amenable number.

12022102621021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022102621021 is an equidigital number, since it uses as much as digits as its factorization.

12022102621021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12022102621021 its reverse (12012620122021), we get a palindrome (24034722743042).

The spelling of 12022102621021 in words is "twelve trillion, twenty-two billion, one hundred two million, six hundred twenty-one thousand, twenty-one".