110222001 has 12 divisors (see below), whose sum is σ = 163513012. Its totient is φ = 71495136.

The previous prime is 110221967. The next prime is 110222009. The reversal of 110222001 is 100222011.

It can be written as a sum of positive squares in 2 ways, for example, as 104346225 + 5875776 = 10215^2 + 2424^2 .

It is not a de Polignac number, because 110222001 - 2¹⁰ = 110220977 is a prime.

It is a super-3 number, since 3×110222001³ (a number of 25 digits) contains 333 as substring.

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 (110222009) 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, 165166 + ... + 165831.

Almost surely, 2^110222001 is an apocalyptic number.

It is an amenable number.

110222001 is a deficient number, since it is larger than the sum of its proper divisors (53291011).

110222001 is a wasteful number, since it uses less digits than its factorization.

110222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331040 (or 331037 counting only the distinct ones).

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

The square root of 110222001 is about 10498.6666296249. Note that the first 4 decimals coincide. The cubic root of 110222001 is about 479.4641024389.

Adding to 110222001 its reverse (100222011), we get a palindrome (210444012).

It can be divided in two parts, 11022 and 2001, that multiplied together give a palindrome (22055022).

The spelling of 110222001 in words is "one hundred ten million, two hundred twenty-two thousand, one".