12222002311 has 2 divisors, whose sum is σ = 12222002312. Its totient is φ = 12222002310.

The previous prime is 12222002257. The next prime is 12222002329. The reversal of 12222002311 is 11320022221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12222002311 - 2¹⁹ = 12221478023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222002011) 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, 6111001155 + 6111001156.

It is an arithmetic number, because the mean of its divisors is an integer number (6111001156).

Almost surely, 2^12222002311 is an apocalyptic number.

12222002311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222002311 is an equidigital number, since it uses as much as digits as its factorization.

12222002311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12222002311 its reverse (11320022221), we get a palindrome (23542024532).

The spelling of 12222002311 in words is "twelve billion, two hundred twenty-two million, two thousand, three hundred eleven".