110000000222001 has 24 divisors (see below), whose sum is σ = 172782194316264. Its totient is φ = 67154213168640.

The previous prime is 110000000221997. The next prime is 110000000222011. The reversal of 110000000222001 is 100222000000011.

It can be written as a sum of positive squares in 4 ways, for example, as 46083189171600 + 63916811050401 = 6788460^2 + 7994799^2 .

It is not a de Polignac number, because 110000000222001 - 2² = 110000000221997 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (110000000222011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9715592310 + ... + 9715603631.

It is an arithmetic number, because the mean of its divisors is an integer number (7199258096511).

Almost surely, 2^{110000000222001} is an apocalyptic number.

It is an amenable number.

110000000222001 is a deficient number, since it is larger than the sum of its proper divisors (62782194094263).

110000000222001 is a wasteful number, since it uses less digits than its factorization.

110000000222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19431196001 (or 19431195998 counting only the distinct ones).

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

Adding to 110000000222001 its reverse (100222000000011), we get a palindrome (210222000222012).

The spelling of 110000000222001 in words is "one hundred ten trillion, two hundred twenty-two thousand, one".