12111022022 has 16 divisors (see below), whose sum is σ = 19860489792. Its totient is φ = 5493217320.

The previous prime is 12111022019. The next prime is 12111022043. The reversal of 12111022022 is 22022011121.

It is a junction number, because it is equal to n+sod(n) for n = 12111021988 and 12111022006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579128 + ... + 599675.

It is an arithmetic number, because the mean of its divisors is an integer number (1241280612).

Almost surely, 2^12111022022 is an apocalyptic number.

12111022022 is a deficient number, since it is larger than the sum of its proper divisors (7749467770).

12111022022 is a wasteful number, since it uses less digits than its factorization.

12111022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179283.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12111022022 its reverse (22022011121), we get a palindrome (34133033143).

The spelling of 12111022022 in words is "twelve billion, one hundred eleven million, twenty-two thousand, twenty-two".