212221002201 has 32 divisors (see below), whose sum is σ = 311282872320. Its totient is φ = 127808000064.

The previous prime is 212221002187. The next prime is 212221002247. The reversal of 212221002201 is 102200122212.

212221002201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212221002201 - 2⁹ = 212221001689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212221003201) 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 31 ways as a sum of consecutive naturals, for example, 306330 + ... + 719916.

It is an arithmetic number, because the mean of its divisors is an integer number (9727589760).

Almost surely, 2^212221002201 is an apocalyptic number.

It is an amenable number.

212221002201 is a deficient number, since it is larger than the sum of its proper divisors (99061870119).

212221002201 is a wasteful number, since it uses less digits than its factorization.

212221002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413885.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212221002201 its reverse (102200122212), we get a palindrome (314421124413).

The spelling of 212221002201 in words is "two hundred twelve billion, two hundred twenty-one million, two thousand, two hundred one".