12111102020022 has 16 divisors (see below), whose sum is σ = 24448579780032. Its totient is φ = 3999304716680.

The previous prime is 12111102020021. The next prime is 12111102020027. The reversal of 12111102020022 is 22002020111121.

It is a junction number, because it is equal to n+sod(n) for n = 12111102019983 and 12111102020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111102020021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9432321804 + ... + 9432323087.

It is an arithmetic number, because the mean of its divisors is an integer number (1528036236252).

Almost surely, 2^{12111102020022} is an apocalyptic number.

12111102020022 is an abundant number, since it is smaller than the sum of its proper divisors (12337477760010).

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

12111102020022 is a wasteful number, since it uses less digits than its factorization.

12111102020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18864645003.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12111102020022 its reverse (22002020111121), we get a palindrome (34113122131143).

The spelling of 12111102020022 in words is "twelve trillion, one hundred eleven billion, one hundred two million, twenty thousand, twenty-two".