2123311311127 has 2 divisors, whose sum is σ = 2123311311128. Its totient is φ = 2123311311126.

The previous prime is 2123311311097. The next prime is 2123311311179. The reversal of 2123311311127 is 7211131133212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123311311127 - 2¹¹ = 2123311309079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123311311095 and 2123311311104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123311311197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061655655563 + 1061655655564.

It is an arithmetic number, because the mean of its divisors is an integer number (1061655655564).

Almost surely, 2^{2123311311127} is an apocalyptic number.

2123311311127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123311311127 is an equidigital number, since it uses as much as digits as its factorization.

2123311311127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 28.

Adding to 2123311311127 its reverse (7211131133212), we get a palindrome (9334442444339).

The spelling of 2123311311127 in words is "two trillion, one hundred twenty-three billion, three hundred eleven million, three hundred eleven thousand, one hundred twenty-seven".