212221010211 has 8 divisors (see below), whose sum is σ = 323384396544. Its totient is φ = 121269148680.

The previous prime is 212221010173. The next prime is 212221010219. The reversal of 212221010211 is 112010122212.

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

It is not a de Polignac number, because 212221010211 - 2⁷ = 212221010083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212221010219) 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, 5052881175 + ... + 5052881216.

It is an arithmetic number, because the mean of its divisors is an integer number (40423049568).

Almost surely, 2^212221010211 is an apocalyptic number.

212221010211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212221010211 is a deficient number, since it is larger than the sum of its proper divisors (111163386333).

212221010211 is a wasteful number, since it uses less digits than its factorization.

212221010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105762401.

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

Adding to 212221010211 its reverse (112010122212), we get a palindrome (324231132423).

The spelling of 212221010211 in words is "two hundred twelve billion, two hundred twenty-one million, ten thousand, two hundred eleven".