12110001021001 has 16 divisors (see below), whose sum is σ = 13408923564288. Its totient is φ = 10865574057600.

The previous prime is 12110001020969. The next prime is 12110001021011. The reversal of 12110001021001 is 10012010001121.

It is a cyclic number.

It is not a de Polignac number, because 12110001021001 - 2⁵ = 12110001020969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110001021011) 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, 41775211 + ... + 42064096.

It is an arithmetic number, because the mean of its divisors is an integer number (838057722768).

Almost surely, 2^{12110001021001} is an apocalyptic number.

It is an amenable number.

12110001021001 is a deficient number, since it is larger than the sum of its proper divisors (1298922543287).

12110001021001 is a wasteful number, since it uses less digits than its factorization.

12110001021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83839632.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12110001021001 its reverse (10012010001121), we get a palindrome (22122011022122).

The spelling of 12110001021001 in words is "twelve trillion, one hundred ten billion, one million, twenty-one thousand, one".