110000222001 has 12 divisors (see below), whose sum is σ = 163183513012. Its totient is φ = 71351495136.

The previous prime is 110000221931. The next prime is 110000222021. The reversal of 110000222001 is 100222000011.

It can be written as a sum of positive squares in 2 ways, for example, as 50513012001 + 59487210000 = 224751^2 + 243900^2 .

It is not a de Polignac number, because 110000222001 - 2²⁹ = 109463351089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110000222021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165165166 + ... + 165165831.

Almost surely, 2^110000222001 is an apocalyptic number.

It is an amenable number.

110000222001 is a deficient number, since it is larger than the sum of its proper divisors (53183291011).

110000222001 is a wasteful number, since it uses less digits than its factorization.

110000222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330331040 (or 330331037 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 110000222001 its reverse (100222000011), we get a palindrome (210222222012).

The spelling of 110000222001 in words is "one hundred ten billion, two hundred twenty-two thousand, one".