212102120011 has 2 divisors, whose sum is σ = 212102120012. Its totient is φ = 212102120010.

The previous prime is 212102119903. The next prime is 212102120017. The reversal of 212102120011 is 110021201212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212102120011 - 2¹⁵ = 212102087243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212102119973 and 212102120000.

It is not a weakly prime, because it can be changed into another prime (212102120017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051060005 + 106051060006.

It is an arithmetic number, because the mean of its divisors is an integer number (106051060006).

Almost surely, 2^212102120011 is an apocalyptic number.

212102120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102120011 is an equidigital number, since it uses as much as digits as its factorization.

212102120011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212102120011 its reverse (110021201212), we get a palindrome (322123321223).

The spelling of 212102120011 in words is "two hundred twelve billion, one hundred two million, one hundred twenty thousand, eleven".