12100201020121 has 16 divisors (see below), whose sum is σ = 12774848486400. Its totient is φ = 11438390612880.

The previous prime is 12100201020113. The next prime is 12100201020133. The reversal of 12100201020121 is 12102010200121.

12100201020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12100201020121 - 2³ = 12100201020113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100201020161) 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, 4038171 + ... + 6364528.

It is an arithmetic number, because the mean of its divisors is an integer number (798428030400).

Almost surely, 2^{12100201020121} is an apocalyptic number.

It is an amenable number.

12100201020121 is a deficient number, since it is larger than the sum of its proper divisors (674647466279).

12100201020121 is a wasteful number, since it uses less digits than its factorization.

12100201020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10403316.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12100201020121 its reverse (12102010200121), we get a palindrome (24202211220242).

The spelling of 12100201020121 in words is "twelve trillion, one hundred billion, two hundred one million, twenty thousand, one hundred twenty-one".