212112110011 has 2 divisors, whose sum is σ = 212112110012. Its totient is φ = 212112110010.

The previous prime is 212112109991. The next prime is 212112110027. The reversal of 212112110011 is 110011211212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212112110011 - 2⁹ = 212112109499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212112109973 and 212112110000.

It is not a weakly prime, because it can be changed into another prime (212112110051) 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, 106056055005 + 106056055006.

It is an arithmetic number, because the mean of its divisors is an integer number (106056055006).

Almost surely, 2^212112110011 is an apocalyptic number.

212112110011 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112110011 is an equidigital number, since it uses as much as digits as its factorization.

212112110011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212112110011 its reverse (110011211212), we get a palindrome (322123321223).

The spelling of 212112110011 in words is "two hundred twelve billion, one hundred twelve million, one hundred ten thousand, eleven".