4121131111 has 2 divisors, whose sum is σ = 4121131112. Its totient is φ = 4121131110.

The previous prime is 4121131067. The next prime is 4121131139. The reversal of 4121131111 is 1111311214.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4121131111 - 2⁷ = 4121130983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4121138111) 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, 2060565555 + 2060565556.

It is an arithmetic number, because the mean of its divisors is an integer number (2060565556).

Almost surely, 2^4121131111 is an apocalyptic number.

4121131111 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121131111 is an equidigital number, since it uses as much as digits as its factorization.

4121131111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24, while the sum is 16.

The square root of 4121131111 is about 64196.0365676885. The cubic root of 4121131111 is about 1603.2656104115.

Adding to 4121131111 its reverse (1111311214), we get a palindrome (5232442325).

The spelling of 4121131111 in words is "four billion, one hundred twenty-one million, one hundred thirty-one thousand, one hundred eleven".