212244204220111 has 6 divisors (see below), whose sum is σ = 246896319194880. Its totient is φ = 181923603617196.

The previous prime is 212244204220093. The next prime is 212244204220159. The reversal of 212244204220111 is 111022402442212.

It is not a de Polignac number, because 212244204220111 - 2¹¹ = 212244204218063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212244204220111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212244204220171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2165757185871 + ... + 2165757185968.

It is an arithmetic number, because the mean of its divisors is an integer number (41149386532480).

Almost surely, 2^{212244204220111} is an apocalyptic number.

212244204220111 is a deficient number, since it is larger than the sum of its proper divisors (34652114974769).

212244204220111 is an equidigital number, since it uses as much as digits as its factorization.

212244204220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331514371853 (or 4331514371846 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 212244204220111 its reverse (111022402442212), we get a palindrome (323266606662323).

The spelling of 212244204220111 in words is "two hundred twelve trillion, two hundred forty-four billion, two hundred four million, two hundred twenty thousand, one hundred eleven".