12213201103101 has 12 divisors (see below), whose sum is σ = 17669882533212. Its totient is φ = 8128937737536.

The previous prime is 12213201103091. The next prime is 12213201103127. The reversal of 12213201103101 is 10130110231221.

12213201103101 is a `hidden beast` number, since 1 + 2 + 21 + 320 + 1 + 10 + 310 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1304680235076 + 10908520868025 = 1142226^2 + 3302805^2 .

It is not a de Polignac number, because 12213201103101 - 2²⁵ = 12213167548669 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213201103171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1099688406 + ... + 1099699511.

It is an arithmetic number, because the mean of its divisors is an integer number (1472490211101).

Almost surely, 2^{12213201103101} is an apocalyptic number.

It is an amenable number.

12213201103101 is a deficient number, since it is larger than the sum of its proper divisors (5456681430111).

12213201103101 is a wasteful number, since it uses less digits than its factorization.

12213201103101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199388540 (or 2199388537 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12213201103101 its reverse (10130110231221), we get a palindrome (22343311334322).

The spelling of 12213201103101 in words is "twelve trillion, two hundred thirteen billion, two hundred one million, one hundred three thousand, one hundred one".