12200002211021 has 2 divisors, whose sum is σ = 12200002211022. Its totient is φ = 12200002211020.

The previous prime is 12200002210889. The next prime is 12200002211027. The reversal of 12200002211021 is 12011220000221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9298382955625 + 2901619255396 = 3049325^2 + 1703414^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200002211021 - 2¹⁸ = 12200001948877 is a prime.

It is a super-2 number, since 2×12200002211021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12200002210987 and 12200002211005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12200002211027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100001105510 + 6100001105511.

It is an arithmetic number, because the mean of its divisors is an integer number (6100001105511).

Almost surely, 2^{12200002211021} is an apocalyptic number.

It is an amenable number.

12200002211021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200002211021 is an equidigital number, since it uses as much as digits as its factorization.

12200002211021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12200002211021 its reverse (12011220000221), we get a palindrome (24211222211242).

The spelling of 12200002211021 in words is "twelve trillion, two hundred billion, two million, two hundred eleven thousand, twenty-one".