12103312201121 has 16 divisors (see below), whose sum is σ = 12376608600000. Its totient is φ = 11832872914368.

The previous prime is 12103312201081. The next prime is 12103312201151. The reversal of 12103312201121 is 12110221330121.

It is a cyclic number.

It is not a de Polignac number, because 12103312201121 - 2¹⁰ = 12103312200097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12103312201093 and 12103312201102.

It is not an unprimeable number, because it can be changed into a prime (12103312201151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11609630 + ... + 12609128.

It is an arithmetic number, because the mean of its divisors is an integer number (773538037500).

Almost surely, 2^{12103312201121} is an apocalyptic number.

It is an amenable number.

12103312201121 is a deficient number, since it is larger than the sum of its proper divisors (273296398879).

12103312201121 is a wasteful number, since it uses less digits than its factorization.

12103312201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000928.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12103312201121 its reverse (12110221330121), we get a palindrome (24213533531242).

The spelling of 12103312201121 in words is "twelve trillion, one hundred three billion, three hundred twelve million, two hundred one thousand, one hundred twenty-one".