201123201110210 has 16 divisors (see below), whose sum is σ = 364626235108800. Its totient is φ = 79870508641776.

The previous prime is 201123201110191. The next prime is 201123201110231. The reversal of 201123201110210 is 12011102321102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72346473830 + ... + 72346476609.

It is an arithmetic number, because the mean of its divisors is an integer number (22789139694300).

Almost surely, 2^{201123201110210} is an apocalyptic number.

201123201110210 is a deficient number, since it is larger than the sum of its proper divisors (163503033998590).

201123201110210 is a wasteful number, since it uses less digits than its factorization.

201123201110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144692950585.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 201123201110210 its reverse (12011102321102), we get a palindrome (213134303431312).

The spelling of 201123201110210 in words is "two hundred one trillion, one hundred twenty-three billion, two hundred one million, one hundred ten thousand, two hundred ten".