12002101100121 has 32 divisors (see below), whose sum is σ = 17563333939200. Its totient is φ = 7229951463680.

The previous prime is 12002101100113. The next prime is 12002101100141. The reversal of 12002101100121 is 12100110120021.

It is not a de Polignac number, because 12002101100121 - 2³ = 12002101100113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12002101100097 and 12002101100106.

It is not an unprimeable number, because it can be changed into a prime (12002101100111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91025440 + ... + 91157198.

It is an arithmetic number, because the mean of its divisors is an integer number (548854185600).

Almost surely, 2^{12002101100121} is an apocalyptic number.

12002101100121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12002101100121 is a deficient number, since it is larger than the sum of its proper divisors (5561232839079).

12002101100121 is a wasteful number, since it uses less digits than its factorization.

12002101100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148469.

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

Adding to 12002101100121 its reverse (12100110120021), we get a palindrome (24102211220142).

The spelling of 12002101100121 in words is "twelve trillion, two billion, one hundred one million, one hundred thousand, one hundred twenty-one".