2111222011127 has 2 divisors, whose sum is σ = 2111222011128. Its totient is φ = 2111222011126.

The previous prime is 2111222011117. The next prime is 2111222011147. The reversal of 2111222011127 is 7211102221112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111222011127 - 2¹² = 2111222007031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111222011117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055611005563 + 1055611005564.

It is an arithmetic number, because the mean of its divisors is an integer number (1055611005564).

Almost surely, 2^{2111222011127} is an apocalyptic number.

2111222011127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111222011127 is an equidigital number, since it uses as much as digits as its factorization.

2111222011127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 2111222011127 its reverse (7211102221112), we get a palindrome (9322324232239).

The spelling of 2111222011127 in words is "two trillion, one hundred eleven billion, two hundred twenty-two million, eleven thousand, one hundred twenty-seven".