12200111321 has 2 divisors, whose sum is σ = 12200111322. Its totient is φ = 12200111320.

The previous prime is 12200111309. The next prime is 12200111333. The reversal of 12200111321 is 12311100221.

It is a balanced prime because it is at equal distance from previous prime (12200111309) and next prime (12200111333).

It can be written as a sum of positive squares in only one way, i.e., 12180433225 + 19678096 = 110365^2 + 4436^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200111321 - 2⁶ = 12200111257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12200111296 and 12200111305.

It is not a weakly prime, because it can be changed into another prime (12200111381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100055660 + 6100055661.

It is an arithmetic number, because the mean of its divisors is an integer number (6100055661).

Almost surely, 2^12200111321 is an apocalyptic number.

It is an amenable number.

12200111321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200111321 is an equidigital number, since it uses as much as digits as its factorization.

12200111321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12200111321 its reverse (12311100221), we get a palindrome (24511211542).

The spelling of 12200111321 in words is "twelve billion, two hundred million, one hundred eleven thousand, three hundred twenty-one".