110222008009 has 3 divisors (see below), whose sum is σ = 110222340007. Its totient is φ = 110221676012.

The previous prime is 110222007977. The next prime is 110222008021. The reversal of 110222008009 is 900800222011.

The square root of 110222008009 is 331997.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 900800222011 = 67 ⋅13444779433.

It can be written as a sum of positive squares in only one way, i.e., 1999431225 + 108222576784 = 44715^2 + 328972^2 .

It is not a de Polignac number, because 110222008009 - 2⁵ = 110222007977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110222008109) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 165999 + ... + 497995.

Almost surely, 2^110222008009 is an apocalyptic number.

110222008009 is the 331997-th square number.

110222008009 is the 165999-th centered octagonal number.

It is an amenable number.

110222008009 is a deficient number, since it is larger than the sum of its proper divisors (331998).

110222008009 is an frugal number, since it uses more digits than its factorization.

110222008009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663994 (or 331997 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

Multiplying 110222008009 by its sum of digits (25), we get a square (2755550200225 = 1659985²).

Multiplying 110222008009 by its product of nonzero digits (576), we get a square (63487876613184 = 7967928²).

The spelling of 110222008009 in words is "one hundred ten billion, two hundred twenty-two million, eight thousand, nine".