12111120011001 has 32 divisors (see below), whose sum is σ = 17636300512128. Its totient is φ = 7331691530240.

The previous prime is 12111120010973. The next prime is 12111120011033. The reversal of 12111120011001 is 10011002111121.

12111120011001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12111120011001 - 2⁶ = 12111120010937 is a prime.

It is a super-2 number, since 2×12111120011001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12111120011401) 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, 108567085 + ... + 108678581.

It is an arithmetic number, because the mean of its divisors is an integer number (551134391004).

Almost surely, 2^{12111120011001} is an apocalyptic number.

12111120011001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12111120011001 is a deficient number, since it is larger than the sum of its proper divisors (5525180501127).

12111120011001 is a wasteful number, since it uses less digits than its factorization.

12111120011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115241.

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

Adding to 12111120011001 its reverse (10011002111121), we get a palindrome (22122122122122).

The spelling of 12111120011001 in words is "twelve trillion, one hundred eleven billion, one hundred twenty million, eleven thousand, one".