212202010221 has 8 divisors (see below), whose sum is σ = 283273247040. Its totient is φ = 141299390112.

The previous prime is 212202010159. The next prime is 212202010243. The reversal of 212202010221 is 122010202212.

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

It is not a de Polignac number, because 212202010221 - 2¹⁰ = 212202009197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212202010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202010121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42151240 + ... + 42156273.

It is an arithmetic number, because the mean of its divisors is an integer number (35409155880).

Almost surely, 2^212202010221 is an apocalyptic number.

It is an amenable number.

212202010221 is a deficient number, since it is larger than the sum of its proper divisors (71071236819).

212202010221 is an equidigital number, since it uses as much as digits as its factorization.

212202010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84308355.

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

Adding to 212202010221 its reverse (122010202212), we get a palindrome (334212212433).

The spelling of 212202010221 in words is "two hundred twelve billion, two hundred two million, ten thousand, two hundred twenty-one".