212001120011 has 2 divisors, whose sum is σ = 212001120012. Its totient is φ = 212001120010.

The previous prime is 212001119987. The next prime is 212001120013. The reversal of 212001120011 is 110021100212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212001120011 - 2⁶ = 212001119947 is a prime.

Together with 212001120013, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 212001119974 and 212001120001.

It is not a weakly prime, because it can be changed into another prime (212001120013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000560005 + 106000560006.

It is an arithmetic number, because the mean of its divisors is an integer number (106000560006).

Almost surely, 2^212001120011 is an apocalyptic number.

212001120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

212001120011 is an equidigital number, since it uses as much as digits as its factorization.

212001120011 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 11.

Adding to 212001120011 its reverse (110021100212), we get a palindrome (322022220223).

The spelling of 212001120011 in words is "two hundred twelve billion, one million, one hundred twenty thousand, eleven".