212101100011222 has 4 divisors (see below), whose sum is σ = 318151650016836. Its totient is φ = 106050550005610.

The previous prime is 212101100011217. The next prime is 212101100011249. The reversal of 212101100011222 is 222110001101212.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 212101100011196 and 212101100011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53025275002804 + ... + 53025275002807.

It is an arithmetic number, because the mean of its divisors is an integer number (79537912504209).

Almost surely, 2^{212101100011222} is an apocalyptic number.

212101100011222 is a deficient number, since it is larger than the sum of its proper divisors (106050550005614).

212101100011222 is a wasteful number, since it uses less digits than its factorization.

212101100011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106050550005613.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212101100011222 its reverse (222110001101212), we get a palindrome (434211101112434).

The spelling of 212101100011222 in words is "two hundred twelve trillion, one hundred one billion, one hundred million, eleven thousand, two hundred twenty-two".