12100201100121 has 16 divisors (see below), whose sum is σ = 16461892585728. Its totient is φ = 7903684300800.

The previous prime is 12100201100077. The next prime is 12100201100209. The reversal of 12100201100121 is 12100110200121.

It is not a de Polignac number, because 12100201100121 - 2¹⁷ = 12100200969049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12100201100097 and 12100201100106.

It is not an unprimeable number, because it can be changed into a prime (12100201100021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128593665 + ... + 128687726.

It is an arithmetic number, because the mean of its divisors is an integer number (1028868286608).

Almost surely, 2^{12100201100121} is an apocalyptic number.

It is an amenable number.

12100201100121 is a deficient number, since it is larger than the sum of its proper divisors (4361691485607).

12100201100121 is a wasteful number, since it uses less digits than its factorization.

12100201100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257281712.

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

Adding to 12100201100121 its reverse (12100110200121), we get a palindrome (24200311300242).

The spelling of 12100201100121 in words is "twelve trillion, one hundred billion, two hundred one million, one hundred thousand, one hundred twenty-one".