212011010200221 has 8 divisors (see below), whose sum is σ = 282681414196320. Its totient is φ = 141340639835472.

The previous prime is 212011010200153. The next prime is 212011010200247. The reversal of 212011010200221 is 122002010110212.

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

It is not a de Polignac number, because 212011010200221 - 2¹³ = 212011010192029 is a prime.

It is a super-2 number, since 2×212011010200221² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212011010200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011010204221) 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 7 ways as a sum of consecutive naturals, for example, 20507950 + ... + 29061968.

It is an arithmetic number, because the mean of its divisors is an integer number (35335176774540).

Almost surely, 2^{212011010200221} is an apocalyptic number.

It is an amenable number.

212011010200221 is a deficient number, since it is larger than the sum of its proper divisors (70670403996099).

212011010200221 is an equidigital number, since it uses as much as digits as its factorization.

212011010200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16815675.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212011010200221 its reverse (122002010110212), we get a palindrome (334013020310433).

Subtracting from 212011010200221 its reverse (122002010110212), we obtain a palindrome (90009000090009).

The spelling of 212011010200221 in words is "two hundred twelve trillion, eleven billion, ten million, two hundred thousand, two hundred twenty-one".