12101101100121 has 12 divisors (see below), whose sum is σ = 17734947067376. Its totient is φ = 7334000666520.

The previous prime is 12101101100107. The next prime is 12101101100213. The reversal of 12101101100121 is 12100110110121.

It is not a de Polignac number, because 12101101100121 - 2⁷ = 12101101099993 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12101101100097 and 12101101100106.

It is not an unprimeable number, because it can be changed into a prime (12101101101121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16668182971 + ... + 16668183696.

Almost surely, 2^{12101101100121} is an apocalyptic number.

12101101100121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12101101100121 is a deficient number, since it is larger than the sum of its proper divisors (5633845967255).

12101101100121 is a wasteful number, since it uses less digits than its factorization.

12101101100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33336366692 (or 33336366681 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12101101100121 its reverse (12100110110121), we get a palindrome (24201211210242).

The spelling of 12101101100121 in words is "twelve trillion, one hundred one billion, one hundred one million, one hundred thousand, one hundred twenty-one".