12101111112102 has 8 divisors (see below), whose sum is σ = 24202222224216. Its totient is φ = 4033703704032.

The previous prime is 12101111112019. The next prime is 12101111112113. The reversal of 12101111112102 is 20121111110121.

It is a sphenic number, since it is the product of 3 distinct primes.

12101111112102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008425926003 + ... + 1008425926014.

It is an arithmetic number, because the mean of its divisors is an integer number (3025277778027).

Almost surely, 2^{12101111112102} is an apocalyptic number.

12101111112102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12101111112102 is a wasteful number, since it uses less digits than its factorization.

12101111112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016851852022.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12101111112102 its reverse (20121111110121), we get a palindrome (32222222222223).

The spelling of 12101111112102 in words is "twelve trillion, one hundred one billion, one hundred eleven million, one hundred twelve thousand, one hundred two".