12001100201121 has 8 divisors (see below), whose sum is σ = 16058411658144. Its totient is φ = 7972261105760.

The previous prime is 12001100201047. The next prime is 12001100201171. The reversal of 12001100201121 is 12110200110021.

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 12001100201121 - 2¹⁷ = 12001100070049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12001100201097 and 12001100201106.

It is not an unprimeable number, because it can be changed into a prime (12001100201171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7118089431 + ... + 7118091116.

It is an arithmetic number, because the mean of its divisors is an integer number (2007301457268).

Almost surely, 2^{12001100201121} is an apocalyptic number.

It is an amenable number.

12001100201121 is a deficient number, since it is larger than the sum of its proper divisors (4057311457023).

12001100201121 is a wasteful number, since it uses less digits than its factorization.

12001100201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14236180831.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12001100201121 its reverse (12110200110021), we get a palindrome (24111300311142).

The spelling of 12001100201121 in words is "twelve trillion, one billion, one hundred million, two hundred one thousand, one hundred twenty-one".