12011021111102 has 8 divisors (see below), whose sum is σ = 19402418717976. Its totient is φ = 5543548205112.

The previous prime is 12011021111101. The next prime is 12011021111107. The reversal of 12011021111102 is 20111112011021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011021111101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230981175188 + ... + 230981175239.

It is an arithmetic number, because the mean of its divisors is an integer number (2425302339747).

Almost surely, 2^{12011021111102} is an apocalyptic number.

12011021111102 is a deficient number, since it is larger than the sum of its proper divisors (7391397606874).

12011021111102 is a wasteful number, since it uses less digits than its factorization.

12011021111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461962350442.

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

Adding to 12011021111102 its reverse (20111112011021), we get a palindrome (32122133122123).

The spelling of 12011021111102 in words is "twelve trillion, eleven billion, twenty-one million, one hundred eleven thousand, one hundred two".