12022202121021 has 16 divisors (see below), whose sum is σ = 18025256195520. Its totient is φ = 7918237540080.

The previous prime is 12022202120987. The next prime is 12022202121047. The reversal of 12022202121021 is 12012120222021.

It is a happy number.

12022202121021 is a `hidden beast` number, since 1 + 202 + 220 + 212 + 10 + 21 = 666.

It is not a de Polignac number, because 12022202121021 - 2¹⁴ = 12022202104637 is a prime.

It is a super-2 number, since 2×12022202121021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12022202120985 and 12022202121003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022202121091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2682327550 + ... + 2682332031.

It is an arithmetic number, because the mean of its divisors is an integer number (1126578512220).

Almost surely, 2^{12022202121021} is an apocalyptic number.

It is an amenable number.

12022202121021 is a deficient number, since it is larger than the sum of its proper divisors (6003054074499).

12022202121021 is an equidigital number, since it uses as much as digits as its factorization.

12022202121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364659673 (or 5364659667 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12022202121021 its reverse (12012120222021), we get a palindrome (24034322343042).

The spelling of 12022202121021 in words is "twelve trillion, twenty-two billion, two hundred two million, one hundred twenty-one thousand, twenty-one".