212201233221011 has 16 divisors (see below), whose sum is σ = 215569616869728. Its totient is φ = 208845415699200.

The previous prime is 212201233220969. The next prime is 212201233221023. The reversal of 212201233221011 is 110122332102212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212201233221011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212201235221011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334492565 + ... + 335126361.

It is an arithmetic number, because the mean of its divisors is an integer number (13473101054358).

Almost surely, 2^{212201233221011} is an apocalyptic number.

212201233221011 is a deficient number, since it is larger than the sum of its proper divisors (3368383648717).

212201233221011 is an equidigital number, since it uses as much as digits as its factorization.

212201233221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643702.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 212201233221011 its reverse (110122332102212), we get a palindrome (322323565323223).

The spelling of 212201233221011 in words is "two hundred twelve trillion, two hundred one billion, two hundred thirty-three million, two hundred twenty-one thousand, eleven".