212011222103 has 8 divisors (see below), whose sum is σ = 225129400272. Its totient is φ = 198964925056.

The previous prime is 212011222081. The next prime is 212011222117. The reversal of 212011222103 is 301222110212.

212011222103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212011222103 - 2²⁰ = 212010173527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011222183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17964200 + ... + 17975997.

It is an arithmetic number, because the mean of its divisors is an integer number (28141175034).

Almost surely, 2^212011222103 is an apocalyptic number.

212011222103 is a deficient number, since it is larger than the sum of its proper divisors (13118178169).

212011222103 is a wasteful number, since it uses less digits than its factorization.

212011222103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35940561.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212011222103 its reverse (301222110212), we get a palindrome (513233332315).

The spelling of 212011222103 in words is "two hundred twelve billion, eleven million, two hundred twenty-two thousand, one hundred three".