2134220111 has 2 divisors, whose sum is σ = 2134220112. Its totient is φ = 2134220110.

The previous prime is 2134220107. The next prime is 2134220147. The reversal of 2134220111 is 1110224312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2134220111 - 2² = 2134220107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2134220111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134220411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067110055 + 1067110056.

It is an arithmetic number, because the mean of its divisors is an integer number (1067110056).

Almost surely, 2^2134220111 is an apocalyptic number.

2134220111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134220111 is an equidigital number, since it uses as much as digits as its factorization.

2134220111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2134220111 is about 46197.6201876244. The cubic root of 2134220111 is about 1287.4975244368.

Adding to 2134220111 its reverse (1110224312), we get a palindrome (3244444423).

The spelling of 2134220111 in words is "two billion, one hundred thirty-four million, two hundred twenty thousand, one hundred eleven".