110111221022009 has 4 divisors (see below), whose sum is σ = 115906548444240. Its totient is φ = 104315893599780.

The previous prime is 110111221021969. The next prime is 110111221022071. The reversal of 110111221022009 is 900220122111011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110111221022009 - 2²⁴ = 110111204244793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (110111221022909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2897663711087 + ... + 2897663711124.

It is an arithmetic number, because the mean of its divisors is an integer number (28976637111060).

Almost surely, 2^{110111221022009} is an apocalyptic number.

110111221022009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

110111221022009 is a deficient number, since it is larger than the sum of its proper divisors (5795327422231).

110111221022009 is an equidigital number, since it uses as much as digits as its factorization.

110111221022009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795327422230.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 110111221022009 in words is "one hundred ten trillion, one hundred eleven billion, two hundred twenty-one million, twenty-two thousand, nine".