201110122 has 4 divisors (see below), whose sum is σ = 301665186. Its totient is φ = 100555060.

The previous prime is 201110093. The next prime is 201110131. The reversal of 201110122 is 221011102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 187115041 + 13995081 = 13679^2 + 3741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201110099 and 201110108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50277529 + ... + 50277532.

Almost surely, 2^201110122 is an apocalyptic number.

201110122 is a deficient number, since it is larger than the sum of its proper divisors (100555064).

201110122 is a wasteful number, since it uses less digits than its factorization.

201110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100555063.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 201110122 is about 14181.3300504572. The cubic root of 201110122 is about 585.8835573362.

Adding to 201110122 its reverse (221011102), we get a palindrome (422121224).

The spelling of 201110122 in words is "two hundred one million, one hundred ten thousand, one hundred twenty-two".