12111100022 has 16 divisors (see below), whose sum is σ = 20789998080. Its totient is φ = 5183443368.

The previous prime is 12111099971. The next prime is 12111100039. The reversal of 12111100022 is 22000111121.

12111100022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12111099976 and 12111100012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574958 + ... + 595649.

It is an arithmetic number, because the mean of its divisors is an integer number (1299374880).

Almost surely, 2^12111100022 is an apocalyptic number.

12111100022 is a deficient number, since it is larger than the sum of its proper divisors (8678898058).

12111100022 is a wasteful number, since it uses less digits than its factorization.

12111100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171355.

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

Adding to 12111100022 its reverse (22000111121), we get a palindrome (34111211143).

The spelling of 12111100022 in words is "twelve billion, one hundred eleven million, one hundred thousand, twenty-two".