212201200221 has 8 divisors (see below), whose sum is σ = 284833826400. Its totient is φ = 140518020432.

The previous prime is 212201200193. The next prime is 212201200249. The reversal of 212201200221 is 122002102212.

212201200221 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 (212201200193) and next prime (212201200249).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212201200221 - 2²³ = 212192811613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212201200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201200021) 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 7 ways as a sum of consecutive naturals, for example, 237361075 + ... + 237361968.

It is an arithmetic number, because the mean of its divisors is an integer number (35604228300).

Almost surely, 2^212201200221 is an apocalyptic number.

It is an amenable number.

212201200221 is a deficient number, since it is larger than the sum of its proper divisors (72632626179).

212201200221 is a wasteful number, since it uses less digits than its factorization.

212201200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474723195.

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

Adding to 212201200221 its reverse (122002102212), we get a palindrome (334203302433).

The spelling of 212201200221 in words is "two hundred twelve billion, two hundred one million, two hundred thousand, two hundred twenty-one".