212221201112022 has 16 divisors (see below), whose sum is σ = 438134092618752. Its totient is φ = 68458451971560.

The previous prime is 212221201111999. The next prime is 212221201112029. The reversal of 212221201112022 is 220211102122212.

It is a self number, because there is not a number n which added to its sum of digits gives 212221201112022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212221201112029) 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, 570487099578 + ... + 570487099949.

It is an arithmetic number, because the mean of its divisors is an integer number (27383380788672).

Almost surely, 2^{212221201112022} is an apocalyptic number.

212221201112022 is an abundant number, since it is smaller than the sum of its proper divisors (225912891506730).

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

212221201112022 is a wasteful number, since it uses less digits than its factorization.

212221201112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140974199563.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212221201112022 its reverse (220211102122212), we get a palindrome (432432303234234).

The spelling of 212221201112022 in words is "two hundred twelve trillion, two hundred twenty-one billion, two hundred one million, one hundred twelve thousand, twenty-two".