12111102110001 has 16 divisors (see below), whose sum is σ = 16419314453760. Its totient is φ = 7938583029120.

The previous prime is 12111102109957. The next prime is 12111102110083. The reversal of 12111102110001 is 10001120111121.

It is not a de Polignac number, because 12111102110001 - 2²¹ = 12111100012849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12111102110501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12546996 + ... + 13477733.

It is an arithmetic number, because the mean of its divisors is an integer number (1026207153360).

Almost surely, 2^{12111102110001} is an apocalyptic number.

It is an amenable number.

12111102110001 is a deficient number, since it is larger than the sum of its proper divisors (4308212343759).

12111102110001 is a wasteful number, since it uses less digits than its factorization.

12111102110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26027336.

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

Adding to 12111102110001 its reverse (10001120111121), we get a palindrome (22112222221122).

The spelling of 12111102110001 in words is "twelve trillion, one hundred eleven billion, one hundred two million, one hundred ten thousand, one".