212202110222210 has 8 divisors (see below), whose sum is σ = 381963798399996. Its totient is φ = 84880844088880.

The previous prime is 212202110222173. The next prime is 212202110222269. The reversal of 212202110222210 is 12222011202212.

It can be written as a sum of positive squares in 2 ways, for example, as 198099178702441 + 14102931519769 = 14074771^2 + 3755387^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10610105511101 + ... + 10610105511120.

Almost surely, 2^{212202110222210} is an apocalyptic number.

212202110222210 is a deficient number, since it is larger than the sum of its proper divisors (169761688177786).

212202110222210 is a wasteful number, since it uses less digits than its factorization.

212202110222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21220211022228.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212202110222210 its reverse (12222011202212), we get a palindrome (224424121424422).

The spelling of 212202110222210 in words is "two hundred twelve trillion, two hundred two billion, one hundred ten million, two hundred twenty-two thousand, two hundred ten".