2112321011 has 2 divisors, whose sum is σ = 2112321012. Its totient is φ = 2112321010.

The previous prime is 2112320971. The next prime is 2112321089. The reversal of 2112321011 is 1101232112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112321011 - 2¹⁰ = 2112319987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112321511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056160505 + 1056160506.

It is an arithmetic number, because the mean of its divisors is an integer number (1056160506).

Almost surely, 2^2112321011 is an apocalyptic number.

2112321011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112321011 is an equidigital number, since it uses as much as digits as its factorization.

2112321011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2112321011 is about 45959.9935922537. The cubic root of 2112321011 is about 1283.0787321019.

Adding to 2112321011 its reverse (1101232112), we get a palindrome (3213553123).

The spelling of 2112321011 in words is "two billion, one hundred twelve million, three hundred twenty-one thousand, eleven".