12002111201111 has 32 divisors (see below), whose sum is σ = 12357530579520. Its totient is φ = 11653490221056.

The previous prime is 12002111201053. The next prime is 12002111201137. The reversal of 12002111201111 is 11110211120021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12002111201111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002111201411) 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, 1358161385 + ... + 1358170221.

It is an arithmetic number, because the mean of its divisors is an integer number (386172830610).

Almost surely, 2^{12002111201111} is an apocalyptic number.

12002111201111 is a deficient number, since it is larger than the sum of its proper divisors (355419378409).

12002111201111 is a wasteful number, since it uses less digits than its factorization.

12002111201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12002111201111 its reverse (11110211120021), we get a palindrome (23112322321132).

The spelling of 12002111201111 in words is "twelve trillion, two billion, one hundred eleven million, two hundred one thousand, one hundred eleven".