212110010221103 has 4 divisors (see below), whose sum is σ = 212110131811728. Its totient is φ = 212109888630480.

The previous prime is 212110010220943. The next prime is 212110010221117. The reversal of 212110010221103 is 301122010011212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212110010221103 - 2¹⁶ = 212110010155567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110000221103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58139963 + ... + 61680428.

It is an arithmetic number, because the mean of its divisors is an integer number (53027532952932).

Almost surely, 2^{212110010221103} is an apocalyptic number.

212110010221103 is a deficient number, since it is larger than the sum of its proper divisors (121590625).

212110010221103 is a wasteful number, since it uses less digits than its factorization.

212110010221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121590624.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212110010221103 its reverse (301122010011212), we get a palindrome (513232020232315).

The spelling of 212110010221103 in words is "two hundred twelve trillion, one hundred ten billion, ten million, two hundred twenty-one thousand, one hundred three".