12111110111022 has 24 divisors (see below), whose sum is σ = 26228794680504. Its totient is φ = 3726495418464.

The previous prime is 12111110111003. The next prime is 12111110111057. The reversal of 12111110111022 is 22011101111121.

It is a junction number, because it is equal to n+sod(n) for n = 12111110110992 and 12111110111010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5971946773 + ... + 5971948800.

It is an arithmetic number, because the mean of its divisors is an integer number (1092866445021).

Almost surely, 2^{12111110111022} is an apocalyptic number.

12111110111022 is an abundant number, since it is smaller than the sum of its proper divisors (14117684569482).

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

12111110111022 is a wasteful number, since it uses less digits than its factorization.

12111110111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11943895604 (or 11943895591 counting only the distinct ones).

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

Adding to 12111110111022 its reverse (22011101111121), we get a palindrome (34122211222143).

The spelling of 12111110111022 in words is "twelve trillion, one hundred eleven billion, one hundred ten million, one hundred eleven thousand, twenty-two".