12210121112311 has 2 divisors, whose sum is σ = 12210121112312. Its totient is φ = 12210121112310.

The previous prime is 12210121112309. The next prime is 12210121112317. The reversal of 12210121112311 is 11321112101221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12210121112311 - 2¹ = 12210121112309 is a prime.

Together with 12210121112309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210121112317) 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, 6105060556155 + 6105060556156.

It is an arithmetic number, because the mean of its divisors is an integer number (6105060556156).

Almost surely, 2^{12210121112311} is an apocalyptic number.

12210121112311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210121112311 is an equidigital number, since it uses as much as digits as its factorization.

12210121112311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 12210121112311 its reverse (11321112101221), we get a palindrome (23531233213532).

The spelling of 12210121112311 in words is "twelve trillion, two hundred ten billion, one hundred twenty-one million, one hundred twelve thousand, three hundred eleven".