12011155111022 has 8 divisors (see below), whose sum is σ = 18025163525856. Its totient is φ = 6002767269072.

The previous prime is 12011155110947. The next prime is 12011155111027. The reversal of 12011155111022 is 22011155111021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011155111027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405137878 + ... + 1405146425.

It is an arithmetic number, because the mean of its divisors is an integer number (2253145440732).

Almost surely, 2^{12011155111022} is an apocalyptic number.

12011155111022 is a deficient number, since it is larger than the sum of its proper divisors (6014008414834).

12011155111022 is a wasteful number, since it uses less digits than its factorization.

12011155111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810286442.

The product of its (nonzero) digits is 200, while the sum is 23.

Subtracting 12011155111022 from its reverse (22011155111021), we obtain a palindrome (9999999999999).

The spelling of 12011155111022 in words is "twelve trillion, eleven billion, one hundred fifty-five million, one hundred eleven thousand, twenty-two".