212120201103 has 8 divisors (see below), whose sum is σ = 283480116528. Its totient is φ = 141086876544.

The previous prime is 212120201093. The next prime is 212120201107. The reversal of 212120201103 is 301102021212.

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

It is a de Polignac number, because none of the positive numbers 2^k-212120201103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212120201107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81646200 + ... + 81648797.

It is an arithmetic number, because the mean of its divisors is an integer number (35435014566).

Almost surely, 2^212120201103 is an apocalyptic number.

212120201103 is a deficient number, since it is larger than the sum of its proper divisors (71359915425).

212120201103 is a wasteful number, since it uses less digits than its factorization.

212120201103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163295433.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212120201103 its reverse (301102021212), we get a palindrome (513222222315).

The spelling of 212120201103 in words is "two hundred twelve billion, one hundred twenty million, two hundred one thousand, one hundred three".