12011010110001 has 24 divisors (see below), whose sum is σ = 19843201863680. Its totient is φ = 6858068052096.

The previous prime is 12011010109981. The next prime is 12011010110003. The reversal of 12011010110001 is 10001101011021.

It is not a de Polignac number, because 12011010110001 - 2¹¹ = 12011010107953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011010110003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74450680 + ... + 74611833.

Almost surely, 2^{12011010110001} is an apocalyptic number.

It is an amenable number.

12011010110001 is a deficient number, since it is larger than the sum of its proper divisors (7832191753679).

12011010110001 is a wasteful number, since it uses less digits than its factorization.

12011010110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149063805 (or 149063802 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 12011010110001 its reverse (10001101011021), we get a palindrome (22012111121022).

The spelling of 12011010110001 in words is "twelve trillion, eleven billion, ten million, one hundred ten thousand, one".