201201221110 has 16 divisors (see below), whose sum is σ = 362292102000. Its totient is φ = 80451620896.

The previous prime is 201201221093. The next prime is 201201221113. The reversal of 201201221110 is 11122102102.

It is a super-3 number, since 3×201201221110³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201221113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3579160 + ... + 3634939.

It is an arithmetic number, because the mean of its divisors is an integer number (22643256375).

Almost surely, 2^201201221110 is an apocalyptic number.

201201221110 is a deficient number, since it is larger than the sum of its proper divisors (161090880890).

201201221110 is a wasteful number, since it uses less digits than its factorization.

201201221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7216895.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201201221110 its reverse (11122102102), we get a palindrome (212323323212).

The spelling of 201201221110 in words is "two hundred one billion, two hundred one million, two hundred twenty-one thousand, one hundred ten".