12002111102 has 24 divisors (see below), whose sum is σ = 19362622440. Its totient is φ = 5564209680.

The previous prime is 12002111087. The next prime is 12002111123. The reversal of 12002111102 is 20111120021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12452 + ... + 155432.

It is an arithmetic number, because the mean of its divisors is an integer number (806775935).

Almost surely, 2^12002111102 is an apocalyptic number.

12002111102 is a deficient number, since it is larger than the sum of its proper divisors (7360511338).

12002111102 is a wasteful number, since it uses less digits than its factorization.

12002111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143096 (or 143049 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12002111102 its reverse (20111120021), we get a palindrome (32113231123).

The spelling of 12002111102 in words is "twelve billion, two million, one hundred eleven thousand, one hundred two".