212010201100811 has 2 divisors, whose sum is σ = 212010201100812. Its totient is φ = 212010201100810.

The previous prime is 212010201100801. The next prime is 212010201100813. The reversal of 212010201100811 is 118001102010212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212010201100811 - 2¹⁰ = 212010201099787 is a prime.

It is a Sophie Germain prime.

Together with 212010201100813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212010201100813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005100550405 + 106005100550406.

It is an arithmetic number, because the mean of its divisors is an integer number (106005100550406).

Almost surely, 2^{212010201100811} is an apocalyptic number.

212010201100811 is a deficient number, since it is larger than the sum of its proper divisors (1).

212010201100811 is an equidigital number, since it uses as much as digits as its factorization.

212010201100811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 20.

The spelling of 212010201100811 in words is "two hundred twelve trillion, ten billion, two hundred one million, one hundred thousand, eight hundred eleven".