2143214123311 has 2 divisors, whose sum is σ = 2143214123312. Its totient is φ = 2143214123310.

The previous prime is 2143214123233. The next prime is 2143214123329. The reversal of 2143214123311 is 1133214123412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143214123311 - 2⁹ = 2143214122799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2143214123311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143214123711) 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, 1071607061655 + 1071607061656.

It is an arithmetic number, because the mean of its divisors is an integer number (1071607061656).

Almost surely, 2^{2143214123311} is an apocalyptic number.

2143214123311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143214123311 is an equidigital number, since it uses as much as digits as its factorization.

2143214123311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

Adding to 2143214123311 its reverse (1133214123412), we get a palindrome (3276428246723).

The spelling of 2143214123311 in words is "two trillion, one hundred forty-three billion, two hundred fourteen million, one hundred twenty-three thousand, three hundred eleven".