12110221101 has 32 divisors (see below), whose sum is σ = 18109518336. Its totient is φ = 7133832000.

The previous prime is 12110221093. The next prime is 12110221103. The reversal of 12110221101 is 10112201121.

It is not a de Polignac number, because 12110221101 - 2³ = 12110221093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110221103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1327566 + ... + 1336656.

It is an arithmetic number, because the mean of its divisors is an integer number (565922448).

Almost surely, 2^12110221101 is an apocalyptic number.

12110221101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12110221101 is a deficient number, since it is larger than the sum of its proper divisors (5999297235).

12110221101 is a wasteful number, since it uses less digits than its factorization.

12110221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10233.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12110221101 its reverse (10112201121), we get a palindrome (22222422222).

The spelling of 12110221101 in words is "twelve billion, one hundred ten million, two hundred twenty-one thousand, one hundred one".