12111011202102 has 32 divisors (see below), whose sum is σ = 24335145784320. Its totient is φ = 4018156541280.

The previous prime is 12111011202061. The next prime is 12111011202107. The reversal of 12111011202102 is 20120211011121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111011202107) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 6415452 + ... + 8085792.

It is an arithmetic number, because the mean of its divisors is an integer number (760473305760).

Almost surely, 2^{12111011202102} is an apocalyptic number.

12111011202102 is an abundant number, since it is smaller than the sum of its proper divisors (12224134582218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12111011202102 is a wasteful number, since it uses less digits than its factorization.

12111011202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675988.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12111011202102 its reverse (20120211011121), we get a palindrome (32231222213223).

The spelling of 12111011202102 in words is "twelve trillion, one hundred eleven billion, eleven million, two hundred two thousand, one hundred two".