201211022222210 has 96 divisors (see below), whose sum is σ = 494967054238272. Its totient is φ = 57890883496320.

The previous prime is 201211022222141. The next prime is 201211022222261. The reversal of 201211022222210 is 12222220112102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1435715732 + ... + 1435855871.

It is an arithmetic number, because the mean of its divisors is an integer number (5155906814982).

Almost surely, 2^{201211022222210} is an apocalyptic number.

201211022222210 is an abundant number, since it is smaller than the sum of its proper divisors (293756032016062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201211022222210 is a wasteful number, since it uses less digits than its factorization.

201211022222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871571648 (or 2871571641 counting only the distinct ones).

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

Adding to 201211022222210 its reverse (12222220112102), we get a palindrome (213433242334312).

The spelling of 201211022222210 in words is "two hundred one trillion, two hundred eleven billion, twenty-two million, two hundred twenty-two thousand, two hundred ten".