201110220101212 has 12 divisors (see below), whose sum is σ = 352179565002720. Its totient is φ = 100487487243296.

The previous prime is 201110220101177. The next prime is 201110220101213. The reversal of 201110220101212 is 212101022011102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110220101213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16905695137 + ... + 16905707032.

It is an arithmetic number, because the mean of its divisors is an integer number (29348297083560).

Almost surely, 2^{201110220101212} is an apocalyptic number.

It is an amenable number.

201110220101212 is a deficient number, since it is larger than the sum of its proper divisors (151069344901508).

201110220101212 is a wasteful number, since it uses less digits than its factorization.

201110220101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33811403660 (or 33811403658 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201110220101212 its reverse (212101022011102), we get a palindrome (413211242112314).

The spelling of 201110220101212 in words is "two hundred one trillion, one hundred ten billion, two hundred twenty million, one hundred one thousand, two hundred twelve".