12001101211101 has 16 divisors (see below), whose sum is σ = 16089785814080. Its totient is φ = 7956665959680.

The previous prime is 12001101211087. The next prime is 12001101211147. The reversal of 12001101211101 is 10111210110021.

It is not a de Polignac number, because 12001101211101 - 2¹⁸ = 12001100948957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001101211501) 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, 10792711 + ... + 11852628.

It is an arithmetic number, because the mean of its divisors is an integer number (1005611613380).

Almost surely, 2^{12001101211101} is an apocalyptic number.

It is an amenable number.

12001101211101 is a deficient number, since it is larger than the sum of its proper divisors (4088684602979).

12001101211101 is a wasteful number, since it uses less digits than its factorization.

12001101211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22646316.

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

Adding to 12001101211101 its reverse (10111210110021), we get a palindrome (22112311321122).

The spelling of 12001101211101 in words is "twelve trillion, one billion, one hundred one million, two hundred eleven thousand, one hundred one".