211120122221103 has 16 divisors (see below), whose sum is σ = 289102856525280. Its totient is φ = 136942105608576.

The previous prime is 211120122221009. The next prime is 211120122221119. The reversal of 211120122221103 is 301122221021112.

It is not a de Polignac number, because 211120122221103 - 2¹⁰ = 211120122220079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211120122221103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120122221123) 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 15 ways as a sum of consecutive naturals, for example, 18386701 + ... + 27573737.

It is an arithmetic number, because the mean of its divisors is an integer number (18068928532830).

Almost surely, 2^{211120122221103} is an apocalyptic number.

211120122221103 is a deficient number, since it is larger than the sum of its proper divisors (77982734304177).

211120122221103 is a wasteful number, since it uses less digits than its factorization.

211120122221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9394106.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 211120122221103 its reverse (301122221021112), we get a palindrome (512242343242215).

The spelling of 211120122221103 in words is "two hundred eleven trillion, one hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred three".