12111103022 has 4 divisors (see below), whose sum is σ = 18166654536. Its totient is φ = 6055551510.

The previous prime is 12111103009. The next prime is 12111103027. The reversal of 12111103022 is 22030111121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22030111121 = 15761 ⋅1397761.

It is a junction number, because it is equal to n+sod(n) for n = 12111102988 and 12111103006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111103027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3027775754 + ... + 3027775757.

It is an arithmetic number, because the mean of its divisors is an integer number (4541663634).

Almost surely, 2^12111103022 is an apocalyptic number.

12111103022 is a deficient number, since it is larger than the sum of its proper divisors (6055551514).

12111103022 is an equidigital number, since it uses as much as digits as its factorization.

12111103022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055551513.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12111103022 its reverse (22030111121), we get a palindrome (34141214143).

The spelling of 12111103022 in words is "twelve billion, one hundred eleven million, one hundred three thousand, twenty-two".