212022795811 has 2 divisors, whose sum is σ = 212022795812. Its totient is φ = 212022795810.

The previous prime is 212022795797. The next prime is 212022795833. The reversal of 212022795811 is 118597220212.

212022795811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212022795811 - 2²³ = 212014407203 is a prime.

It is not a weakly prime, because it can be changed into another prime (212022792811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011397905 + 106011397906.

It is an arithmetic number, because the mean of its divisors is an integer number (106011397906).

Almost surely, 2^212022795811 is an apocalyptic number.

212022795811 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022795811 is an equidigital number, since it uses as much as digits as its factorization.

212022795811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 212022795811 in words is "two hundred twelve billion, twenty-two million, seven hundred ninety-five thousand, eight hundred eleven".