12111202102 has 4 divisors (see below), whose sum is σ = 18166803156. Its totient is φ = 6055601050.

The previous prime is 12111202087. The next prime is 12111202127. The reversal of 12111202102 is 20120211121.

12111202102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20120211121 = 9059 ⋅2221019.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3027800524 + ... + 3027800527.

It is an arithmetic number, because the mean of its divisors is an integer number (4541700789).

Almost surely, 2^12111202102 is an apocalyptic number.

12111202102 is a deficient number, since it is larger than the sum of its proper divisors (6055601054).

12111202102 is an equidigital number, since it uses as much as digits as its factorization.

12111202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055601053.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12111202102 its reverse (20120211121), we get a palindrome (32231413223).

The spelling of 12111202102 in words is "twelve billion, one hundred eleven million, two hundred two thousand, one hundred two".