12110001011001 has 32 divisors (see below), whose sum is σ = 18951895261440. Its totient is φ = 7722319453200.

The previous prime is 12110001010973. The next prime is 12110001011029. The reversal of 12110001011001 is 10011010001121.

12110001011001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12110001010973) and next prime (12110001011029).

It is not a de Polignac number, because 12110001011001 - 2⁵ = 12110001010969 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12110001011501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120325050 + ... + 120425651.

It is an arithmetic number, because the mean of its divisors is an integer number (592246726920).

Almost surely, 2^{12110001011001} is an apocalyptic number.

It is an amenable number.

12110001011001 is a deficient number, since it is larger than the sum of its proper divisors (6841894250439).

12110001011001 is an frugal number, since it uses more digits than its factorization.

12110001011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240750745 (or 240750727 counting only the distinct ones).

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

Adding to 12110001011001 its reverse (10011010001121), we get a palindrome (22121011012122).

The spelling of 12110001011001 in words is "twelve trillion, one hundred ten billion, one million, eleven thousand, one".