312221344121119 has 2 divisors, whose sum is σ = 312221344121120. Its totient is φ = 312221344121118.

The previous prime is 312221344121117. The next prime is 312221344121123. The reversal of 312221344121119 is 911121443122213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312221344121119 - 2¹ = 312221344121117 is a prime.

It is a super-2 number, since 2×312221344121119² (a number of 30 digits) contains 22 as substring.

Together with 312221344121117, 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 (312221344121111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156110672060559 + 156110672060560.

It is an arithmetic number, because the mean of its divisors is an integer number (156110672060560).

Almost surely, 2^{312221344121119} is an apocalyptic number.

312221344121119 is a deficient number, since it is larger than the sum of its proper divisors (1).

312221344121119 is an equidigital number, since it uses as much as digits as its factorization.

312221344121119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The spelling of 312221344121119 in words is "three hundred twelve trillion, two hundred twenty-one billion, three hundred forty-four million, one hundred twenty-one thousand, one hundred nineteen".