212211701601 has 16 divisors (see below), whose sum is σ = 289869148800. Its totient is φ = 138014814080.

The previous prime is 212211701579. The next prime is 212211701623. The reversal of 212211701601 is 106107112212.

212211701601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212211701579) and next prime (212211701623).

It is a cyclic number.

It is not a de Polignac number, because 212211701601 - 2²⁷ = 212077483873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212211701671) 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 in 15 ways as a sum of consecutive naturals, for example, 2184796 + ... + 2279858.

It is an arithmetic number, because the mean of its divisors is an integer number (18116821800).

Almost surely, 2^212211701601 is an apocalyptic number.

It is an amenable number.

212211701601 is a deficient number, since it is larger than the sum of its proper divisors (77657447199).

212211701601 is a wasteful number, since it uses less digits than its factorization.

212211701601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113256.

The product of its (nonzero) digits is 336, while the sum is 24.

Adding to 212211701601 its reverse (106107112212), we get a palindrome (318318813813).

The spelling of 212211701601 in words is "two hundred twelve billion, two hundred eleven million, seven hundred one thousand, six hundred one".