12111100000022 has 32 divisors (see below), whose sum is σ = 18882218772480. Its totient is φ = 5819781260160.

The previous prime is 12111100000001. The next prime is 12111100000031. The reversal of 12111100000022 is 22000000111121.

It is a junction number, because it is equal to n+sod(n) for n = 12111099999949 and 12111100000012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12708254 + ... + 13627982.

It is an arithmetic number, because the mean of its divisors is an integer number (590069336640).

Almost surely, 2^{12111100000022} is an apocalyptic number.

12111100000022 is a deficient number, since it is larger than the sum of its proper divisors (6771118772458).

12111100000022 is a wasteful number, since it uses less digits than its factorization.

12111100000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921228.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12111100000022 its reverse (22000000111121), we get a palindrome (34111100111143).

The spelling of 12111100000022 in words is "twelve trillion, one hundred eleven billion, one hundred million, twenty-two", and thus it is an aban number.