12001061101 has 2 divisors, whose sum is σ = 12001061102. Its totient is φ = 12001061100.

The previous prime is 12001061099. The next prime is 12001061117. The reversal of 12001061101 is 10116010021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10660769001 + 1340292100 = 103251^2 + 36610^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001061101 - 2¹ = 12001061099 is a prime.

Together with 12001061099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001061161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000530550 + 6000530551.

It is an arithmetic number, because the mean of its divisors is an integer number (6000530551).

Almost surely, 2^12001061101 is an apocalyptic number.

It is an amenable number.

12001061101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001061101 is an equidigital number, since it uses as much as digits as its factorization.

12001061101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12001061101 its reverse (10116010021), we get a palindrome (22117071122).

The spelling of 12001061101 in words is "twelve billion, one million, sixty-one thousand, one hundred one".