12100221102121 has 8 divisors (see below), whose sum is σ = 12386352935264. Its totient is φ = 11814304330080.

The previous prime is 12100221102077. The next prime is 12100221102127. The reversal of 12100221102121 is 12120112200121.

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 12100221102121 - 2⁹ = 12100221101609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100221102095 and 12100221102104.

It is not an unprimeable number, because it can be changed into a prime (12100221102127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53651415 + ... + 53876476.

It is an arithmetic number, because the mean of its divisors is an integer number (1548294116908).

Almost surely, 2^{12100221102121} is an apocalyptic number.

It is an amenable number.

12100221102121 is a deficient number, since it is larger than the sum of its proper divisors (286131833143).

12100221102121 is a wasteful number, since it uses less digits than its factorization.

12100221102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107530551.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12100221102121 its reverse (12120112200121), we get a palindrome (24220333302242).

The spelling of 12100221102121 in words is "twelve trillion, one hundred billion, two hundred twenty-one million, one hundred two thousand, one hundred twenty-one".