12201110002121 has 8 divisors (see below), whose sum is σ = 12294338056704. Its totient is φ = 12107883308560.

The previous prime is 12201110002117. The next prime is 12201110002129. The reversal of 12201110002121 is 12120001110221.

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 12201110002121 - 2² = 12201110002117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201110002096 and 12201110002105.

It is not an unprimeable number, because it can be changed into a prime (12201110002129) 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 7 ways as a sum of consecutive naturals, for example, 24629951 + ... + 25120443.

It is an arithmetic number, because the mean of its divisors is an integer number (1536792257088).

Almost surely, 2^{12201110002121} is an apocalyptic number.

It is an amenable number.

12201110002121 is a deficient number, since it is larger than the sum of its proper divisors (93228054583).

12201110002121 is a wasteful number, since it uses less digits than its factorization.

12201110002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680511.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12201110002121 its reverse (12120001110221), we get a palindrome (24321111112342).

The spelling of 12201110002121 in words is "twelve trillion, two hundred one billion, one hundred ten million, two thousand, one hundred twenty-one".