2134120111 has 2 divisors, whose sum is σ = 2134120112. Its totient is φ = 2134120110.

The previous prime is 2134120091. The next prime is 2134120123. The reversal of 2134120111 is 1110214312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2134120111 - 2²⁷ = 1999902383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134120171) 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, 1067060055 + 1067060056.

It is an arithmetic number, because the mean of its divisors is an integer number (1067060056).

Almost surely, 2^2134120111 is an apocalyptic number.

2134120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134120111 is an equidigital number, since it uses as much as digits as its factorization.

2134120111 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 16.

The square root of 2134120111 is about 46196.5378681130. The cubic root of 2134120111 is about 1287.4774153326.

Adding to 2134120111 its reverse (1110214312), we get a palindrome (3244334423).

The spelling of 2134120111 in words is "two billion, one hundred thirty-four million, one hundred twenty thousand, one hundred eleven".